172862713 has 2 divisors, whose sum is σ = 172862714. Its totient is φ = 172862712.

The previous prime is 172862671. The next prime is 172862717. The reversal of 172862713 is 317268271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131492089 + 41370624 = 11467^2 + 6432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172862713 is a prime.

It is not a weakly prime, because it can be changed into another prime (172862717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86431356 + 86431357.

It is an arithmetic number, because the mean of its divisors is an integer number (86431357).

Almost surely, 2^172862713 is an apocalyptic number.

It is an amenable number.

172862713 is a deficient number, since it is larger than the sum of its proper divisors (1).

172862713 is an equidigital number, since it uses as much as digits as its factorization.

172862713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 172862713 is about 13147.7265335114. The cubic root of 172862713 is about 557.0580333561.

The spelling of 172862713 in words is "one hundred seventy-two million, eight hundred sixty-two thousand, seven hundred thirteen".