172295013 has 16 divisors (see below), whose sum is σ = 250983936. Its totient is φ = 104265840.

The previous prime is 172295009. The next prime is 172295027. The reversal of 172295013 is 310592271.

It is not a de Polignac number, because 172295013 - 2² = 172295009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172295033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21006 + ... + 28032.

It is an arithmetic number, because the mean of its divisors is an integer number (15686496).

Almost surely, 2^172295013 is an apocalyptic number.

It is an amenable number.

172295013 is a deficient number, since it is larger than the sum of its proper divisors (78688923).

172295013 is a wasteful number, since it uses less digits than its factorization.

172295013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 172295013 is about 13126.1194951136. The cubic root of 172295013 is about 556.4475514618.

The spelling of 172295013 in words is "one hundred seventy-two million, two hundred ninety-five thousand, thirteen".