255656467 has 4 divisors (see below), whose sum is σ = 278897976. Its totient is φ = 232414960.

The previous prime is 255656449. The next prime is 255656483. The reversal of 255656467 is 764656552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255656467 - 2¹⁵ = 255623699 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11620738 + ... + 11620759.

It is an arithmetic number, because the mean of its divisors is an integer number (69724494).

Almost surely, 2^255656467 is an apocalyptic number.

255656467 is a deficient number, since it is larger than the sum of its proper divisors (23241509).

255656467 is a wasteful number, since it uses less digits than its factorization.

255656467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23241508.

The product of its digits is 1512000, while the sum is 46.

The square root of 255656467 is about 15989.2609898019. The cubic root of 255656467 is about 634.6762703935.

The spelling of 255656467 in words is "two hundred fifty-five million, six hundred fifty-six thousand, four hundred sixty-seven".