172652396925 has 24 divisors (see below), whose sum is σ = 287505591520. Its totient is φ = 91418817600.

The previous prime is 172652396897. The next prime is 172652396953. The reversal of 172652396925 is 529693256271.

It is an interprime number because it is at equal distance from previous prime (172652396897) and next prime (172652396953).

It is not a de Polignac number, because 172652396925 - 2¹⁶ = 172652331389 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 8270266 + ... + 8291115.

Almost surely, 2^172652396925 is an apocalyptic number.

172652396925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172652396925 is a deficient number, since it is larger than the sum of its proper divisors (114853194595).

172652396925 is a wasteful number, since it uses less digits than its factorization.

172652396925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16561533 (or 16561528 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 57.

The spelling of 172652396925 in words is "one hundred seventy-two billion, six hundred fifty-two million, three hundred ninety-six thousand, nine hundred twenty-five".