255476457 has 24 divisors (see below), whose sum is σ = 392019680. Its totient is φ = 164430000.

The previous prime is 255476449. The next prime is 255476461. The reversal of 255476457 is 754674552.

It is not a de Polignac number, because 255476457 - 2³ = 255476449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255476437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17082 + ... + 28332.

Almost surely, 2^255476457 is an apocalyptic number.

255476457 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

255476457 is a deficient number, since it is larger than the sum of its proper divisors (136543223).

255476457 is a wasteful number, since it uses less digits than its factorization.

255476457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318 (or 11283 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 45.

The square root of 255476457 is about 15983.6309079007. The cubic root of 255476457 is about 634.5272750097.

The spelling of 255476457 in words is "two hundred fifty-five million, four hundred seventy-six thousand, four hundred fifty-seven".