172875089 has 2 divisors, whose sum is σ = 172875090. Its totient is φ = 172875088.

The previous prime is 172875047. The next prime is 172875103. The reversal of 172875089 is 980578271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153338689 + 19536400 = 12383^2 + 4420^2 .

It is a cyclic number.

It is not a de Polignac number, because 172875089 - 2⁸ = 172874833 is a prime.

It is not a weakly prime, because it can be changed into another prime (172875289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86437544 + 86437545.

It is an arithmetic number, because the mean of its divisors is an integer number (86437545).

Almost surely, 2^172875089 is an apocalyptic number.

It is an amenable number.

172875089 is a deficient number, since it is larger than the sum of its proper divisors (1).

172875089 is an equidigital number, since it uses as much as digits as its factorization.

172875089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 47.

The square root of 172875089 is about 13148.1971767996. The cubic root of 172875089 is about 557.0713271150.

The spelling of 172875089 in words is "one hundred seventy-two million, eight hundred seventy-five thousand, eighty-nine".