3257425 has 12 divisors (see below), whose sum is σ = 4179420. Its totient is φ = 2515520.

The previous prime is 3257413. The next prime is 3257447. The reversal of 3257425 is 5247523.

It can be written as a sum of positive squares in 6 ways, for example, as 173889 + 3083536 = 417^2 + 1756^2 .

It is not a de Polignac number, because 3257425 - 2⁷ = 3257297 is a prime.

It is a super-2 number, since 2×3257425² = 21221635261250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3257393 and 3257402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1522 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (348285).

Almost surely, 2^3257425 is an apocalyptic number.

It is an amenable number.

3257425 is a deficient number, since it is larger than the sum of its proper divisors (921995).

3257425 is a wasteful number, since it uses less digits than its factorization.

3257425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532 (or 4527 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 3257425 is about 1804.8337873610. The cubic root of 3257425 is about 148.2375203605.

It can be divided in two parts, 325 and 7425, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 3257425 in words is "three million, two hundred fifty-seven thousand, four hundred twenty-five".