172465957 has 4 divisors (see below), whose sum is σ = 172511820. Its totient is φ = 172420096.

The previous prime is 172465939. The next prime is 172465961. The reversal of 172465957 is 759564271.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60233121 + 112232836 = 7761^2 + 10594^2 .

It is a cyclic number.

It is not a de Polignac number, because 172465957 - 2⁷ = 172465829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172465057) 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, 16732 + ... + 24997.

It is an arithmetic number, because the mean of its divisors is an integer number (43127955).

Almost surely, 2^172465957 is an apocalyptic number.

It is an amenable number.

172465957 is a deficient number, since it is larger than the sum of its proper divisors (45863).

172465957 is an equidigital number, since it uses as much as digits as its factorization.

172465957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45862.

The product of its digits is 529200, while the sum is 46.

The square root of 172465957 is about 13132.6294777550. The cubic root of 172465957 is about 556.6315187309.

The spelling of 172465957 in words is "one hundred seventy-two million, four hundred sixty-five thousand, nine hundred fifty-seven".