252153512522 has 16 divisors (see below), whose sum is σ = 380905416000. Its totient is φ = 125187622560.

The previous prime is 252153512509. The next prime is 252153512551. The reversal of 252153512522 is 225215351252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449747 + ... + 840582.

It is an arithmetic number, because the mean of its divisors is an integer number (23806588500).

Almost surely, 2^252153512522 is an apocalyptic number.

252153512522 is a deficient number, since it is larger than the sum of its proper divisors (128751903478).

252153512522 is a wasteful number, since it uses less digits than its factorization.

252153512522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291021.

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

Adding to 252153512522 its reverse (225215351252), we get a palindrome (477368863774).

The spelling of 252153512522 in words is "two hundred fifty-two billion, one hundred fifty-three million, five hundred twelve thousand, five hundred twenty-two".