256532514 has 32 divisors (see below), whose sum is σ = 594625536. Its totient is φ = 72261840.

The previous prime is 256532503. The next prime is 256532519. The reversal of 256532514 is 415235652.

It is not an unprimeable number, because it can be changed into a prime (256532519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40032 + ... + 45995.

It is an arithmetic number, because the mean of its divisors is an integer number (18582048).

Almost surely, 2^256532514 is an apocalyptic number.

256532514 is an abundant number, since it is smaller than the sum of its proper divisors (338093022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256532514 is a wasteful number, since it uses less digits than its factorization.

256532514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86110.

The product of its digits is 36000, while the sum is 33.

The square root of 256532514 is about 16016.6324175839. The cubic root of 256532514 is about 635.4003832034.

The spelling of 256532514 in words is "two hundred fifty-six million, five hundred thirty-two thousand, five hundred fourteen".