255477327525 has 72 divisors (see below), whose sum is σ = 527845840704. Its totient is φ = 115698067200.

The previous prime is 255477327467. The next prime is 255477327583. The reversal of 255477327525 is 525723774552.

255477327525 is a `hidden beast` number, since 2 + 5 + 5 + 47 + 73 + 2 + 7 + 525 = 666.

It is an interprime number because it is at equal distance from previous prime (255477327467) and next prime (255477327583).

It is not a de Polignac number, because 255477327525 - 2²⁰ = 255476278949 is a prime.

It is a super-2 number, since 2×255477327525² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 589456 + ... + 926505.

It is an arithmetic number, because the mean of its divisors is an integer number (7331192232).

Almost surely, 2^255477327525 is an apocalyptic number.

255477327525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255477327525 is an abundant number, since it is smaller than the sum of its proper divisors (272368513179).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255477327525 is a wasteful number, since it uses less digits than its factorization.

255477327525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516091 (or 1516083 counting only the distinct ones).

The product of its digits is 20580000, while the sum is 54.

The spelling of 255477327525 in words is "two hundred fifty-five billion, four hundred seventy-seven million, three hundred twenty-seven thousand, five hundred twenty-five".