172095051 has 4 divisors (see below), whose sum is σ = 229460072. Its totient is φ = 114730032.

The previous prime is 172095023. The next prime is 172095067. The reversal of 172095051 is 150590271.

172095051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-172095051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172095071) 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, 28682506 + ... + 28682511.

It is an arithmetic number, because the mean of its divisors is an integer number (57365018).

Almost surely, 2^172095051 is an apocalyptic number.

172095051 is a deficient number, since it is larger than the sum of its proper divisors (57365021).

172095051 is an equidigital number, since it uses as much as digits as its factorization.

172095051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57365020.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 172095051 is about 13118.5003334985. The cubic root of 172095051 is about 556.2322009875.

The spelling of 172095051 in words is "one hundred seventy-two million, ninety-five thousand, fifty-one".