252115504253 has 4 divisors (see below), whose sum is σ = 252540657468. Its totient is φ = 251690351040.

The previous prime is 252115504247. The next prime is 252115504279. The reversal of 252115504253 is 352405511252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101351816164 + 150763688089 = 318358^2 + 388283^2 .

It is a cyclic number.

It is not a de Polignac number, because 252115504253 - 2⁴ = 252115504237 is a prime.

It is a super-2 number, since 2×252115504253² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252115504213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212575718 + ... + 212576903.

It is an arithmetic number, because the mean of its divisors is an integer number (63135164367).

Almost surely, 2^252115504253 is an apocalyptic number.

It is an amenable number.

252115504253 is a deficient number, since it is larger than the sum of its proper divisors (425153215).

252115504253 is an equidigital number, since it uses as much as digits as its factorization.

252115504253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425153214.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 252115504253 in words is "two hundred fifty-two billion, one hundred fifteen million, five hundred four thousand, two hundred fifty-three".