3553225 has 27 divisors (see below), whose sum is σ = 4941183. Its totient is φ = 2533440.

The previous prime is 3553223. The next prime is 3553229. The reversal of 3553225 is 5223553.

The square root of 3553225 is 1885.

It is a perfect power (a square), and thus also a powerful number.

3553225 is nontrivially palindromic in base 12.

3553225 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 13 ways, for example, as 3286969 + 266256 = 1813^2 + 516^2 .

It is not a de Polignac number, because 3553225 - 2¹ = 3553223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 3⁸ + 5⁴ + 5⁵ + 3⁸ + 2²⁰ + 2²¹ + 5⁸ .

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 3553225.

It is not an unprimeable number, because it can be changed into a prime (3553223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 122511 + ... + 122539.

Almost surely, 2^3553225 is an apocalyptic number.

3553225 is the 1885-th square number.

3553225 is the 943-rd centered octagonal number.

It is an amenable number.

3553225 is a deficient number, since it is larger than the sum of its proper divisors (1387958).

3553225 is a wasteful number, since it uses less digits than its factorization.

3553225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 47 counting only the distinct ones).

The product of its digits is 4500, while the sum is 25.

The cubic root of 3553225 is about 152.5952106333.

Multiplying 3553225 by its sum of digits (25), we get a square (88830625 = 9425²).

3553225 divided by its sum of digits (25) gives a square (142129 = 377²).

Adding to 3553225 its reverse (5223553), we get a palindrome (8776778).

The spelling of 3553225 in words is "three million, five hundred fifty-three thousand, two hundred twenty-five".