252715155 has 48 divisors (see below), whose sum is σ = 507962112. Its totient is φ = 105019200.

The previous prime is 252715153. The next prime is 252715157. The reversal of 252715155 is 551517252.

It is an interprime number because it is at equal distance from previous prime (252715153) and next prime (252715157).

It is not a de Polignac number, because 252715155 - 2¹ = 252715153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (252715153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2760 + ... + 22650.

It is an arithmetic number, because the mean of its divisors is an integer number (10582544).

Almost surely, 2^252715155 is an apocalyptic number.

252715155 is an abundant number, since it is smaller than the sum of its proper divisors (255246957).

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

252715155 is a wasteful number, since it uses less digits than its factorization.

252715155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19928 (or 19917 counting only the distinct ones).

The product of its digits is 17500, while the sum is 33.

The square root of 252715155 is about 15897.0171730422. The cubic root of 252715155 is about 632.2329054997.

The spelling of 252715155 in words is "two hundred fifty-two million, seven hundred fifteen thousand, one hundred fifty-five".