252606320524 has 24 divisors (see below), whose sum is σ = 455684038208. Its totient is φ = 122436074880.

The previous prime is 252606320503. The next prime is 252606320581. The reversal of 252606320524 is 425023606252.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 3108969 + ... + 3189184.

Almost surely, 2^252606320524 is an apocalyptic number.

It is an amenable number.

252606320524 is a deficient number, since it is larger than the sum of its proper divisors (203077717684).

252606320524 is a wasteful number, since it uses less digits than its factorization.

252606320524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6298465 (or 6298463 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 252606320524 its reverse (425023606252), we get a palindrome (677629926776).

The spelling of 252606320524 in words is "two hundred fifty-two billion, six hundred six million, three hundred twenty thousand, five hundred twenty-four".