172313295 has 64 divisors (see below), whose sum is σ = 345959424. Its totient is φ = 71147520.

The previous prime is 172313291. The next prime is 172313353. The reversal of 172313295 is 592313271.

172313295 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172313295 - 2² = 172313291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172313291) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222529 + ... + 223301.

It is an arithmetic number, because the mean of its divisors is an integer number (5405616).

Almost surely, 2^172313295 is an apocalyptic number.

172313295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172313295 is an abundant number, since it is smaller than the sum of its proper divisors (173646129).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172313295 is a wasteful number, since it uses less digits than its factorization.

172313295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its digits is 11340, while the sum is 33.

The square root of 172313295 is about 13126.8158743848. The cubic root of 172313295 is about 556.4672320747.

The spelling of 172313295 in words is "one hundred seventy-two million, three hundred thirteen thousand, two hundred ninety-five".