3551025 has 24 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 1872640.

The previous prime is 3551003. The next prime is 3551027. The reversal of 3551025 is 5201553.

It is not a de Polignac number, because 3551025 - 2¹¹ = 3548977 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3550992 and 3551010.

It is not an unprimeable number, because it can be changed into a prime (3551027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8266 + ... + 8684.

It is an arithmetic number, because the mean of its divisors is an integer number (247380).

Almost surely, 2^3551025 is an apocalyptic number.

It is an amenable number.

3551025 is a deficient number, since it is larger than the sum of its proper divisors (2386095).

3551025 is a wasteful number, since it uses less digits than its factorization.

3551025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 3551025 is about 1884.4163552676. The cubic root of 3551025 is about 152.5637107261.

Adding to 3551025 its reverse (5201553), we get a palindrome (8752578).

The spelling of 3551025 in words is "three million, five hundred fifty-one thousand, twenty-five".