172060331 has 2 divisors, whose sum is σ = 172060332. Its totient is φ = 172060330.

The previous prime is 172060327. The next prime is 172060337. The reversal of 172060331 is 133060271.

It is a happy number.

172060331 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 is a cyclic number.

It is not a de Polignac number, because 172060331 - 2² = 172060327 is a prime.

It is a super-2 number, since 2×172060331² = 59209515007659122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 172060297 and 172060306.

It is not a weakly prime, because it can be changed into another prime (172060337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86030165 + 86030166.

It is an arithmetic number, because the mean of its divisors is an integer number (86030166).

Almost surely, 2^172060331 is an apocalyptic number.

172060331 is a deficient number, since it is larger than the sum of its proper divisors (1).

172060331 is an equidigital number, since it uses as much as digits as its factorization.

172060331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 172060331 is about 13117.1769447545. The cubic root of 172060331 is about 556.1947920463.

The spelling of 172060331 in words is "one hundred seventy-two million, sixty thousand, three hundred thirty-one".