256613802 has 8 divisors (see below), whose sum is σ = 513227616. Its totient is φ = 85537932.

The previous prime is 256613801. The next prime is 256613803. The reversal of 256613802 is 208316652.

It is an interprime number because it is at equal distance from previous prime (256613801) and next prime (256613803).

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

256613802 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (256613801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21384478 + ... + 21384489.

It is an arithmetic number, because the mean of its divisors is an integer number (64153452).

Almost surely, 2^256613802 is an apocalyptic number.

256613802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

256613802 is a wasteful number, since it uses less digits than its factorization.

256613802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42768972.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 256613802 is about 16019.1698286771. The cubic root of 256613802 is about 635.4674896700.

The spelling of 256613802 in words is "two hundred fifty-six million, six hundred thirteen thousand, eight hundred two".