255295657 has 4 divisors (see below), whose sum is σ = 255473536. Its totient is φ = 255117780.

The previous prime is 255295639. The next prime is 255295669. The reversal of 255295657 is 756592552.

255295657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255295657 - 2¹⁹ = 254771369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255295637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86769 + ... + 89662.

It is an arithmetic number, because the mean of its divisors is an integer number (63868384).

Almost surely, 2^255295657 is an apocalyptic number.

It is an amenable number.

255295657 is a deficient number, since it is larger than the sum of its proper divisors (177879).

255295657 is a wasteful number, since it uses less digits than its factorization.

255295657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177878.

The product of its digits is 945000, while the sum is 46.

The square root of 255295657 is about 15977.9741206450. The cubic root of 255295657 is about 634.3775552713.

The spelling of 255295657 in words is "two hundred fifty-five million, two hundred ninety-five thousand, six hundred fifty-seven".