3557425 has 6 divisors (see below), whose sum is σ = 4411238. Its totient is φ = 2845920.

The previous prime is 3557381. The next prime is 3557431. The reversal of 3557425 is 5247553.

It can be written as a sum of positive squares in 3 ways, for example, as 484416 + 3073009 = 696^2 + 1753^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3557425 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 5⁶ + 5⁸ + 7⁶ + 4¹⁰ + 2 + 5⁸ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71124 + ... + 71173.

Almost surely, 2^3557425 is an apocalyptic number.

It is an amenable number.

3557425 is a deficient number, since it is larger than the sum of its proper divisors (853813).

3557425 is a wasteful number, since it uses less digits than its factorization.

3557425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142307 (or 142302 counting only the distinct ones).

The product of its digits is 21000, while the sum is 31.

The square root of 3557425 is about 1886.1137293387. The cubic root of 3557425 is about 152.6553107330.

The spelling of 3557425 in words is "three million, five hundred fifty-seven thousand, four hundred twenty-five".