172652401 has 4 divisors (see below), whose sum is σ = 172766704. Its totient is φ = 172538100.

The previous prime is 172652383. The next prime is 172652407. The reversal of 172652401 is 104256271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 172652401 - 2¹⁵ = 172619633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172652401.

It is not an unprimeable number, because it can be changed into a prime (172652407) 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, 54855 + ... + 57916.

It is an arithmetic number, because the mean of its divisors is an integer number (43191676).

Almost surely, 2^172652401 is an apocalyptic number.

It is an amenable number.

172652401 is a deficient number, since it is larger than the sum of its proper divisors (114303).

172652401 is a wasteful number, since it uses less digits than its factorization.

172652401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114302.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 172652401 is about 13139.7260625935. The cubic root of 172652401 is about 556.8320283152.

The spelling of 172652401 in words is "one hundred seventy-two million, six hundred fifty-two thousand, four hundred one".