252537212945 has 8 divisors (see below), whose sum is σ = 306045098280. Its totient is φ = 200029475200.

The previous prime is 252537212927. The next prime is 252537212947. The reversal of 252537212945 is 549212735252.

It can be written as a sum of positive squares in 4 ways, for example, as 46105107841 + 206432105104 = 214721^2 + 454348^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252537212945 - 2¹² = 252537208849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252537212945.

It is not an unprimeable number, because it can be changed into a prime (252537212947) 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, 250036340 + ... + 250037349.

It is an arithmetic number, because the mean of its divisors is an integer number (38255637285).

Almost surely, 2^252537212945 is an apocalyptic number.

It is an amenable number.

252537212945 is a deficient number, since it is larger than the sum of its proper divisors (53507885335).

252537212945 is a wasteful number, since it uses less digits than its factorization.

252537212945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500073795.

The product of its digits is 1512000, while the sum is 47.

The spelling of 252537212945 in words is "two hundred fifty-two billion, five hundred thirty-seven million, two hundred twelve thousand, nine hundred forty-five".