255656427 has 16 divisors (see below), whose sum is σ = 367530240. Its totient is φ = 157141152.

The previous prime is 255656341. The next prime is 255656437. The reversal of 255656427 is 724656552.

It is not a de Polignac number, because 255656427 - 2¹⁸ = 255394283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255656437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34324 + ... + 41102.

It is an arithmetic number, because the mean of its divisors is an integer number (22970640).

Almost surely, 2^255656427 is an apocalyptic number.

255656427 is a deficient number, since it is larger than the sum of its proper divisors (111873813).

255656427 is a wasteful number, since it uses less digits than its factorization.

255656427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762.

The product of its digits is 504000, while the sum is 42.

The square root of 255656427 is about 15989.2597389623. The cubic root of 255656427 is about 634.6762372931.

The spelling of 255656427 in words is "two hundred fifty-five million, six hundred fifty-six thousand, four hundred twenty-seven".