252410525522 has 4 divisors (see below), whose sum is σ = 378615788286. Its totient is φ = 126205262760.

The previous prime is 252410525513. The next prime is 252410525579. The reversal of 252410525522 is 225525014252.

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

It can be written as a sum of positive squares in only one way, i.e., 132839109841 + 119571415681 = 364471^2 + 345791^2 .

It is a super-2 number, since 2×252410525522² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63102631379 + ... + 63102631382.

Almost surely, 2^252410525522 is an apocalyptic number.

252410525522 is a deficient number, since it is larger than the sum of its proper divisors (126205262764).

252410525522 is a wasteful number, since it uses less digits than its factorization.

252410525522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126205262763.

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 252410525522 its reverse (225525014252), we get a palindrome (477935539774).

The spelling of 252410525522 in words is "two hundred fifty-two billion, four hundred ten million, five hundred twenty-five thousand, five hundred twenty-two".