525172697344 has 27 divisors (see below), whose sum is σ = 1048317084073. Its totient is φ = 262580551168.

The previous prime is 525172697327. The next prime is 525172697383. The reversal of 525172697344 is 443796271525.

The square root of 525172697344 is 724688.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 337607481600 + 187565215744 = 581040^2 + 433088^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11572362 + ... + 11617654.

Almost surely, 2^525172697344 is an apocalyptic number.

525172697344 is the 724688-th square number.

It is an amenable number.

525172697344 is a deficient number, since it is larger than the sum of its proper divisors (523144386729).

525172697344 is an frugal number, since it uses more digits than its factorization.

525172697344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90602 (or 45295 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 55.

The spelling of 525172697344 in words is "five hundred twenty-five billion, one hundred seventy-two million, six hundred ninety-seven thousand, three hundred forty-four".