172913353 has 2 divisors, whose sum is σ = 172913354. Its totient is φ = 172913352.

The previous prime is 172913347. The next prime is 172913371. The reversal of 172913353 is 353319271.

It is a happy number.

172913353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146821689 + 26091664 = 12117^2 + 5108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172913353 is a prime.

It is not a weakly prime, because it can be changed into another prime (172916353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86456676 + 86456677.

It is an arithmetic number, because the mean of its divisors is an integer number (86456677).

Almost surely, 2^172913353 is an apocalyptic number.

It is an amenable number.

172913353 is a deficient number, since it is larger than the sum of its proper divisors (1).

172913353 is an equidigital number, since it uses as much as digits as its factorization.

172913353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 34.

The square root of 172913353 is about 13149.6522007238. The cubic root of 172913353 is about 557.1124246206.

The spelling of 172913353 in words is "one hundred seventy-two million, nine hundred thirteen thousand, three hundred fifty-three".