252776475 has 72 divisors (see below), whose sum is σ = 544727040. Its totient is φ = 109460160.

The previous prime is 252776453. The next prime is 252776483. The reversal of 252776475 is 574677252.

It is not a de Polignac number, because 252776475 - 2⁷ = 252776347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 252776475.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25702 + ... + 34148.

Almost surely, 2^252776475 is an apocalyptic number.

252776475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

252776475 is an abundant number, since it is smaller than the sum of its proper divisors (291950565).

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

252776475 is a wasteful number, since it uses less digits than its factorization.

252776475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8489 (or 8481 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The square root of 252776475 is about 15898.9457197639. The cubic root of 252776475 is about 632.2840373580.

The spelling of 252776475 in words is "two hundred fifty-two million, seven hundred seventy-six thousand, four hundred seventy-five".