3157625 has 8 divisors (see below), whose sum is σ = 3940872. Its totient is φ = 2526000.

The previous prime is 3157613. The next prime is 3157639. The reversal of 3157625 is 5267513.

3157625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 529984 + 2627641 = 728^2 + 1621^2 .

It is not a de Polignac number, because 3157625 - 2¹² = 3153529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12506 + ... + 12755.

It is an arithmetic number, because the mean of its divisors is an integer number (492609).

Almost surely, 2^3157625 is an apocalyptic number.

It is an amenable number.

3157625 is a deficient number, since it is larger than the sum of its proper divisors (783247).

3157625 is an equidigital number, since it uses as much as digits as its factorization.

3157625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25276 (or 25266 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 3157625 is about 1776.9707369566. The cubic root of 3157625 is about 146.7079056441.

The spelling of 3157625 in words is "three million, one hundred fifty-seven thousand, six hundred twenty-five".