3957513 has 16 divisors (see below), whose sum is σ = 6067200. Its totient is φ = 2247696.

The previous prime is 3957509. The next prime is 3957521. The reversal of 3957513 is 3157593.

It is not a de Polignac number, because 3957513 - 2² = 3957509 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3957013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3706 + ... + 4652.

It is an arithmetic number, because the mean of its divisors is an integer number (379200).

Almost surely, 2^3957513 is an apocalyptic number.

It is an amenable number.

3957513 is a deficient number, since it is larger than the sum of its proper divisors (2109687).

3957513 is a wasteful number, since it uses less digits than its factorization.

3957513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156.

The product of its digits is 14175, while the sum is 33.

The square root of 3957513 is about 1989.3498938095. The cubic root of 3957513 is about 158.1760708766.

The spelling of 3957513 in words is "three million, nine hundred fifty-seven thousand, five hundred thirteen".