252135153 has 8 divisors (see below), whose sum is σ = 373533600. Its totient is φ = 168090084.

The previous prime is 252135139. The next prime is 252135161. The reversal of 252135153 is 351531252.

It is a happy number.

It is not a de Polignac number, because 252135153 - 2¹⁸ = 251873009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 9338339 = 252135153 / (2 + 5 + 2 + 1 + 3 + 5 + 1 + 5 + 3).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252135953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4669143 + ... + 4669196.

It is an arithmetic number, because the mean of its divisors is an integer number (46691700).

Almost surely, 2^252135153 is an apocalyptic number.

It is an amenable number.

252135153 is a deficient number, since it is larger than the sum of its proper divisors (121398447).

252135153 is an equidigital number, since it uses as much as digits as its factorization.

252135153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338348 (or 9338342 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 252135153 is about 15878.7642151397. The cubic root of 252135153 is about 631.7488595513.

252135153 divided by its sum of digits (27) gives a palindrome (9338339).

The spelling of 252135153 in words is "two hundred fifty-two million, one hundred thirty-five thousand, one hundred fifty-three".