3257500825 has 12 divisors (see below), whose sum is σ = 4048432848. Its totient is φ = 2600109200.

The previous prime is 3257500817. The next prime is 3257500901. The reversal of 3257500825 is 5280057523.

It is not a de Polignac number, because 3257500825 - 2³ = 3257500817 is a prime.

It is a super-2 number, since 2×3257500825² = 21222623249751361250, which contains 22 as substring.

It is a Duffinian number.

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, 135991 + ... + 158140.

It is an arithmetic number, because the mean of its divisors is an integer number (337369404).

Almost surely, 2^3257500825 is an apocalyptic number.

It is an amenable number.

3257500825 is a deficient number, since it is larger than the sum of its proper divisors (790932023).

3257500825 is a wasteful number, since it uses less digits than its factorization.

3257500825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294584 (or 294579 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 3257500825 is about 57074.5199278978. The cubic root of 3257500825 is about 1482.3867055562.

The spelling of 3257500825 in words is "three billion, two hundred fifty-seven million, five hundred thousand, eight hundred twenty-five".