172013339 has 2 divisors, whose sum is σ = 172013340. Its totient is φ = 172013338.

The previous prime is 172013323. The next prime is 172013353. The reversal of 172013339 is 933310271.

It is a strong prime.

It is an emirp because it is prime and its reverse (933310271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172013339 - 2⁴ = 172013323 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (172015339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86006669 + 86006670.

It is an arithmetic number, because the mean of its divisors is an integer number (86006670).

Almost surely, 2^172013339 is an apocalyptic number.

172013339 is a deficient number, since it is larger than the sum of its proper divisors (1).

172013339 is an equidigital number, since it uses as much as digits as its factorization.

172013339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 172013339 is about 13115.3855833521. The cubic root of 172013339 is about 556.1441526663.

The spelling of 172013339 in words is "one hundred seventy-two million, thirteen thousand, three hundred thirty-nine".