256337601 has 8 divisors (see below), whose sum is σ = 368074560. Its totient is φ = 157746192.

The previous prime is 256337593. The next prime is 256337603. The reversal of 256337601 is 106733652.

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

It is not a de Polignac number, because 256337601 - 2³ = 256337593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256337603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3286341 + ... + 3286418.

It is an arithmetic number, because the mean of its divisors is an integer number (46009320).

Almost surely, 2^256337601 is an apocalyptic number.

It is an amenable number.

256337601 is a deficient number, since it is larger than the sum of its proper divisors (111736959).

256337601 is a wasteful number, since it uses less digits than its factorization.

256337601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572775.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 256337601 is about 16010.5465553178. The cubic root of 256337601 is about 635.2394170258.

The spelling of 256337601 in words is "two hundred fifty-six million, three hundred thirty-seven thousand, six hundred one".