172325564 has 6 divisors (see below), whose sum is σ = 301569744. Its totient is φ = 86162780.

The previous prime is 172325561. The next prime is 172325567. The reversal of 172325564 is 465523271.

It is an interprime number because it is at equal distance from previous prime (172325561) and next prime (172325567).

It is a super-2 number, since 2×172325564² = 59392200015836192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172325561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21540692 + ... + 21540699.

It is an arithmetic number, because the mean of its divisors is an integer number (50261624).

Almost surely, 2^172325564 is an apocalyptic number.

It is an amenable number.

172325564 is a deficient number, since it is larger than the sum of its proper divisors (129244180).

172325564 is a wasteful number, since it uses less digits than its factorization.

172325564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43081395 (or 43081393 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 172325564 is about 13127.2831918870. The cubic root of 172325564 is about 556.4804388994.

The spelling of 172325564 in words is "one hundred seventy-two million, three hundred twenty-five thousand, five hundred sixty-four".