172375337 has 2 divisors, whose sum is σ = 172375338. Its totient is φ = 172375336.

The previous prime is 172375327. The next prime is 172375339. The reversal of 172375337 is 733573271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163737616 + 8637721 = 12796^2 + 2939^2 .

It is a cyclic number.

It is not a de Polignac number, because 172375337 - 2¹⁶ = 172309801 is a prime.

Together with 172375339, it forms a pair of twin primes.

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 172375337.

It is not a weakly prime, because it can be changed into another prime (172375339) 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, 86187668 + 86187669.

It is an arithmetic number, because the mean of its divisors is an integer number (86187669).

Almost surely, 2^172375337 is an apocalyptic number.

It is an amenable number.

172375337 is a deficient number, since it is larger than the sum of its proper divisors (1).

172375337 is an equidigital number, since it uses as much as digits as its factorization.

172375337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92610, while the sum is 38.

The square root of 172375337 is about 13129.1788395162. The cubic root of 172375337 is about 556.5340100469.

The spelling of 172375337 in words is "one hundred seventy-two million, three hundred seventy-five thousand, three hundred thirty-seven".