172995265 has 4 divisors (see below), whose sum is σ = 207594324. Its totient is φ = 138396208.

The previous prime is 172995241. The next prime is 172995287. The reversal of 172995265 is 562599271.

172995265 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, and also an emirpimes, since its reverse is a distinct semiprime: 562599271 = 13 ⋅43276867.

It can be written as a sum of positive squares in 2 ways, for example, as 101626561 + 71368704 = 10081^2 + 8448^2 .

It is a cyclic number.

It is not a de Polignac number, because 172995265 - 2¹¹ = 172993217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17299522 + ... + 17299531.

It is an arithmetic number, because the mean of its divisors is an integer number (51898581).

Almost surely, 2^172995265 is an apocalyptic number.

It is an amenable number.

172995265 is a deficient number, since it is larger than the sum of its proper divisors (34599059).

172995265 is an equidigital number, since it uses as much as digits as its factorization.

172995265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34599058.

The product of its digits is 340200, while the sum is 46.

The square root of 172995265 is about 13152.7664390424. The cubic root of 172995265 is about 557.2003819474.

The spelling of 172995265 in words is "one hundred seventy-two million, nine hundred ninety-five thousand, two hundred sixty-five".