256152847 has 8 divisors (see below), whose sum is σ = 263042192. Its totient is φ = 249350400.

The previous prime is 256152797. The next prime is 256152893. The reversal of 256152847 is 748251652.

256152847 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 a cyclic number.

It is not a de Polignac number, because 256152847 - 2²⁷ = 121935119 is a prime.

It is a super-2 number, since 2×256152847² = 131228562052410818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256152047) 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, 15729 + ... + 27562.

It is an arithmetic number, because the mean of its divisors is an integer number (32880274).

Almost surely, 2^256152847 is an apocalyptic number.

256152847 is a deficient number, since it is larger than the sum of its proper divisors (6889345).

256152847 is an equidigital number, since it uses as much as digits as its factorization.

256152847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43449.

The product of its digits is 134400, while the sum is 40.

The square root of 256152847 is about 16004.7757560048. The cubic root of 256152847 is about 635.0867651709.

The spelling of 256152847 in words is "two hundred fifty-six million, one hundred fifty-two thousand, eight hundred forty-seven".