3957425 has 12 divisors (see below), whose sum is σ = 4992240. Its totient is φ = 3111120.

The previous prime is 3957397. The next prime is 3957431. The reversal of 3957425 is 5247593.

3957425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3957425 - 2⁸ = 3957169 is a prime.

It is a super-2 number, since 2×3957425² = 31322425261250, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 134 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (416020).

Almost surely, 2^3957425 is an apocalyptic number.

It is an amenable number.

3957425 is a deficient number, since it is larger than the sum of its proper divisors (1034815).

3957425 is a wasteful number, since it uses less digits than its factorization.

3957425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752 (or 2747 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 3957425 is about 1989.3277759082. The cubic root of 3957425 is about 158.1748984570.

The spelling of 3957425 in words is "three million, nine hundred fifty-seven thousand, four hundred twenty-five".