256511324 has 12 divisors (see below), whose sum is σ = 472521000. Its totient is φ = 121505328.

The previous prime is 256511323. The next prime is 256511327. The reversal of 256511324 is 423115652.

256511324 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256511323) 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, 1687499 + ... + 1687650.

It is an arithmetic number, because the mean of its divisors is an integer number (39376750).

Almost surely, 2^256511324 is an apocalyptic number.

It is an amenable number.

256511324 is a deficient number, since it is larger than the sum of its proper divisors (216009676).

256511324 is a wasteful number, since it uses less digits than its factorization.

256511324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375172 (or 3375170 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 256511324 is about 16015.9709040695. The cubic root of 256511324 is about 635.3828876890.

Adding to 256511324 its reverse (423115652), we get a palindrome (679626976).

The spelling of 256511324 in words is "two hundred fifty-six million, five hundred eleven thousand, three hundred twenty-four".