256541324 has 18 divisors (see below), whose sum is σ = 486139500. Its totient is φ = 118403376.

The previous prime is 256541317. The next prime is 256541393. The reversal of 256541324 is 423145652.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189074 + ... + 190425.

It is an arithmetic number, because the mean of its divisors is an integer number (27007750).

Almost surely, 2^256541324 is an apocalyptic number.

It is an amenable number.

256541324 is a deficient number, since it is larger than the sum of its proper divisors (229598176).

256541324 is a wasteful number, since it uses less digits than its factorization.

256541324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379529 (or 379514 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 256541324 is about 16016.9074418253. The cubic root of 256541324 is about 635.4076568925.

Adding to 256541324 its reverse (423145652), we get a palindrome (679686976).

The spelling of 256541324 in words is "two hundred fifty-six million, five hundred forty-one thousand, three hundred twenty-four".