256041357 has 32 divisors (see below), whose sum is σ = 408675456. Its totient is φ = 140524800.

The previous prime is 256041353. The next prime is 256041367. The reversal of 256041357 is 753140652.

256041357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 256041357 - 2² = 256041353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256041353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17107 + ... + 28367.

It is an arithmetic number, because the mean of its divisors is an integer number (12771108).

Almost surely, 2^256041357 is an apocalyptic number.

It is an amenable number.

256041357 is a deficient number, since it is larger than the sum of its proper divisors (152634099).

256041357 is a wasteful number, since it uses less digits than its factorization.

256041357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11341.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 256041357 is about 16001.2923540569. The cubic root of 256041357 is about 634.9946117302.

The spelling of 256041357 in words is "two hundred fifty-six million, forty-one thousand, three hundred fifty-seven".