255477225 has 24 divisors (see below), whose sum is σ = 430365312. Its totient is φ = 133681600.

The previous prime is 255477217. The next prime is 255477227. The reversal of 255477225 is 522774552.

It is not a de Polignac number, because 255477225 - 2³ = 255477217 is a prime.

It is a super-2 number, since 2×255477225² = 130537224987401250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255477227) 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, 28161 + ... + 36110.

It is an arithmetic number, because the mean of its divisors is an integer number (17931888).

Almost surely, 2^255477225 is an apocalyptic number.

255477225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255477225 is a deficient number, since it is larger than the sum of its proper divisors (174888087).

255477225 is a wasteful number, since it uses less digits than its factorization.

255477225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64337 (or 64332 counting only the distinct ones).

The product of its digits is 196000, while the sum is 39.

The square root of 255477225 is about 15983.6549324615. The cubic root of 255477225 is about 634.5279108367.

The spelling of 255477225 in words is "two hundred fifty-five million, four hundred seventy-seven thousand, two hundred twenty-five".