172492337 has 2 divisors, whose sum is σ = 172492338. Its totient is φ = 172492336.

The previous prime is 172492321. The next prime is 172492361. The reversal of 172492337 is 733294271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110019121 + 62473216 = 10489^2 + 7904^2 .

It is a cyclic number.

It is not a de Polignac number, because 172492337 - 2⁴ = 172492321 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172492337.

It is not a weakly prime, because it can be changed into another prime (172492367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86246168 + 86246169.

It is an arithmetic number, because the mean of its divisors is an integer number (86246169).

Almost surely, 2^172492337 is an apocalyptic number.

It is an amenable number.

172492337 is a deficient number, since it is larger than the sum of its proper divisors (1).

172492337 is an equidigital number, since it uses as much as digits as its factorization.

172492337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 38.

The square root of 172492337 is about 13133.6338078995. The cubic root of 172492337 is about 556.6598976472.

The spelling of 172492337 in words is "one hundred seventy-two million, four hundred ninety-two thousand, three hundred thirty-seven".