252695655 has 12 divisors (see below), whose sum is σ = 438005880. Its totient is φ = 134770992.

The previous prime is 252695627. The next prime is 252695671. The reversal of 252695655 is 556596252.

252695655 is a `hidden beast` number, since 25 + 2 + 69 + 565 + 5 = 666.

It is not a de Polignac number, because 252695655 - 2⁵ = 252695623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 5615459 = 252695655 / (2 + 5 + 2 + 6 + 9 + 5 + 6 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 252695655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2807685 + ... + 2807774.

It is an arithmetic number, because the mean of its divisors is an integer number (36500490).

Almost surely, 2^252695655 is an apocalyptic number.

252695655 is a deficient number, since it is larger than the sum of its proper divisors (185310225).

252695655 is a wasteful number, since it uses less digits than its factorization.

252695655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615470 (or 5615467 counting only the distinct ones).

The product of its digits is 810000, while the sum is 45.

The square root of 252695655 is about 15896.4038386045. The cubic root of 252695655 is about 632.2166436352.

The spelling of 252695655 in words is "two hundred fifty-two million, six hundred ninety-five thousand, six hundred fifty-five".