172960565 has 16 divisors (see below), whose sum is σ = 211628160. Its totient is φ = 135664320.

The previous prime is 172960549. The next prime is 172960573. The reversal of 172960565 is 565069271.

It is not a de Polignac number, because 172960565 - 2⁴ = 172960549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194552 + ... + 195438.

It is an arithmetic number, because the mean of its divisors is an integer number (13226760).

Almost surely, 2^172960565 is an apocalyptic number.

It is an amenable number.

172960565 is a deficient number, since it is larger than the sum of its proper divisors (38667595).

172960565 is an equidigital number, since it uses as much as digits as its factorization.

172960565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 172960565 is about 13151.4472587621. The cubic root of 172960565 is about 557.1631243840.

The spelling of 172960565 in words is "one hundred seventy-two million, nine hundred sixty thousand, five hundred sixty-five".