256488526 has 8 divisors (see below), whose sum is σ = 439694640. Its totient is φ = 109923648.

The previous prime is 256488521. The next prime is 256488527. The reversal of 256488526 is 625884652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256488521) 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, 9160291 + ... + 9160318.

It is an arithmetic number, because the mean of its divisors is an integer number (54961830).

Almost surely, 2^256488526 is an apocalyptic number.

256488526 is a deficient number, since it is larger than the sum of its proper divisors (183206114).

256488526 is a wasteful number, since it uses less digits than its factorization.

256488526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18320618.

The product of its digits is 921600, while the sum is 46.

The square root of 256488526 is about 16015.2591611875. The cubic root of 256488526 is about 635.3640634541.

The spelling of 256488526 in words is "two hundred fifty-six million, four hundred eighty-eight thousand, five hundred twenty-six".