256250535 has 8 divisors (see below), whose sum is σ = 410000880. Its totient is φ = 136666944.

The previous prime is 256250497. The next prime is 256250543. The reversal of 256250535 is 535052652.

256250535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 256250535 - 2⁹ = 256250023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256250496 and 256250505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8541670 + ... + 8541699.

It is an arithmetic number, because the mean of its divisors is an integer number (51250110).

Almost surely, 2^256250535 is an apocalyptic number.

256250535 is a deficient number, since it is larger than the sum of its proper divisors (153750345).

256250535 is a wasteful number, since it uses less digits than its factorization.

256250535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17083377.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 256250535 is about 16007.8273041659. The cubic root of 256250535 is about 635.1674884209.

The spelling of 256250535 in words is "two hundred fifty-six million, two hundred fifty thousand, five hundred thirty-five".