3130657 has 4 divisors (see below), whose sum is σ = 3189780. Its totient is φ = 3071536.

The previous prime is 3130627. The next prime is 3130663. The reversal of 3130657 is 7560313.

It is a happy number.

3130657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2313441 + 817216 = 1521^2 + 904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3130657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3130627) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29482 + ... + 29587.

It is an arithmetic number, because the mean of its divisors is an integer number (797445).

Almost surely, 2^3130657 is an apocalyptic number.

It is an amenable number.

3130657 is a deficient number, since it is larger than the sum of its proper divisors (59123).

3130657 is an equidigital number, since it uses as much as digits as its factorization.

3130657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59122.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 3130657 is about 1769.3662707309. The cubic root of 3130657 is about 146.2890532958.

The spelling of 3130657 in words is "three million, one hundred thirty thousand, six hundred fifty-seven".