252757755 has 24 divisors (see below), whose sum is σ = 444120768. Its totient is φ = 132955776.

The previous prime is 252757733. The next prime is 252757763. The reversal of 252757755 is 557757252.

252757755 is a `hidden beast` number, since 2 + 5 + 27 + 577 + 55 = 666.

It is not a de Polignac number, because 252757755 - 2⁶ = 252757691 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 252757755.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35187 + ... + 41756.

It is an arithmetic number, because the mean of its divisors is an integer number (18505032).

Almost surely, 2^252757755 is an apocalyptic number.

252757755 is a deficient number, since it is larger than the sum of its proper divisors (191363013).

252757755 is a wasteful number, since it uses less digits than its factorization.

252757755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77027 (or 77024 counting only the distinct ones).

The product of its digits is 857500, while the sum is 45.

The square root of 252757755 is about 15898.3569905824. The cubic root of 252757755 is about 632.2684285092.

The spelling of 252757755 in words is "two hundred fifty-two million, seven hundred fifty-seven thousand, seven hundred fifty-five".