256014331 has 4 divisors (see below), whose sum is σ = 258653752. Its totient is φ = 253374912.

The previous prime is 256014329. The next prime is 256014383. The reversal of 256014331 is 133410652.

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

It is a cyclic number.

It is not a de Polignac number, because 256014331 - 2¹ = 256014329 is a prime.

It is a super-2 number, since 2×256014331² = 131086675354755122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 256014296 and 256014305.

It is not an unprimeable number, because it can be changed into a prime (256014301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319565 + ... + 1319758.

It is an arithmetic number, because the mean of its divisors is an integer number (64663438).

Almost surely, 2^256014331 is an apocalyptic number.

256014331 is a deficient number, since it is larger than the sum of its proper divisors (2639421).

256014331 is an equidigital number, since it uses as much as digits as its factorization.

256014331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639420.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 256014331 is about 16000.4478374825. The cubic root of 256014331 is about 634.9722690269.

Adding to 256014331 its reverse (133410652), we get a palindrome (389424983).

The spelling of 256014331 in words is "two hundred fifty-six million, fourteen thousand, three hundred thirty-one".