252344234551 has 4 divisors (see below), whose sum is σ = 267188013072. Its totient is φ = 237500456032.

The previous prime is 252344234537. The next prime is 252344234561. The reversal of 252344234551 is 155432443252.

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

It is a cyclic number.

It is not a de Polignac number, because 252344234551 - 2¹⁹ = 252343710263 is a prime.

It is a super-2 number, since 2×252344234551² (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 (252344234561) 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, 7421889235 + ... + 7421889268.

It is an arithmetic number, because the mean of its divisors is an integer number (66797003268).

Almost surely, 2^252344234551 is an apocalyptic number.

252344234551 is a deficient number, since it is larger than the sum of its proper divisors (14843778521).

252344234551 is a wasteful number, since it uses less digits than its factorization.

252344234551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14843778520.

The product of its digits is 576000, while the sum is 40.

The spelling of 252344234551 in words is "two hundred fifty-two billion, three hundred forty-four million, two hundred thirty-four thousand, five hundred fifty-one".