3130257 has 8 divisors (see below), whose sum is σ = 4494784. Its totient is φ = 1926288.

The previous prime is 3130249. The next prime is 3130279. The reversal of 3130257 is 7520313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3130257 - 2³ = 3130249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3130207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40093 + ... + 40170.

It is an arithmetic number, because the mean of its divisors is an integer number (561848).

Almost surely, 2^3130257 is an apocalyptic number.

It is an amenable number.

3130257 is a deficient number, since it is larger than the sum of its proper divisors (1364527).

3130257 is a wasteful number, since it uses less digits than its factorization.

3130257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80279.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 3130257 is about 1769.2532322989. The cubic root of 3130257 is about 146.2828226426.

The spelling of 3130257 in words is "three million, one hundred thirty thousand, two hundred fifty-seven".