256313037 has 4 divisors (see below), whose sum is σ = 341750720. Its totient is φ = 170875356.

The previous prime is 256313027. The next prime is 256313089. The reversal of 256313037 is 730313652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 256313037 - 2⁸ = 256312781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256312995 and 256313013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256313027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42718837 + ... + 42718842.

It is an arithmetic number, because the mean of its divisors is an integer number (85437680).

Almost surely, 2^256313037 is an apocalyptic number.

It is an amenable number.

256313037 is a deficient number, since it is larger than the sum of its proper divisors (85437683).

256313037 is an equidigital number, since it uses as much as digits as its factorization.

256313037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85437682.

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 256313037 is about 16009.7794175935. The cubic root of 256313037 is about 635.2191254007.

Adding to 256313037 its reverse (730313652), we get a palindrome (986626689).

The spelling of 256313037 in words is "two hundred fifty-six million, three hundred thirteen thousand, thirty-seven".