252197737564 has 12 divisors (see below), whose sum is σ = 441351678600. Its totient is φ = 126097257968.

The previous prime is 252197737549. The next prime is 252197737567. The reversal of 252197737564 is 465737791252.

It is a junction number, because it is equal to n+sod(n) for n = 252197737499 and 252197737508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252197737567) 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, 7294 + ... + 710245.

It is an arithmetic number, because the mean of its divisors is an integer number (36779306550).

Almost surely, 2^252197737564 is an apocalyptic number.

It is an amenable number.

252197737564 is a deficient number, since it is larger than the sum of its proper divisors (189153941036).

252197737564 is a wasteful number, since it uses less digits than its factorization.

252197737564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805412 (or 805410 counting only the distinct ones).

The product of its digits is 22226400, while the sum is 58.

The spelling of 252197737564 in words is "two hundred fifty-two billion, one hundred ninety-seven million, seven hundred thirty-seven thousand, five hundred sixty-four".