172924259 has 2 divisors, whose sum is σ = 172924260. Its totient is φ = 172924258.

The previous prime is 172924243. The next prime is 172924267. The reversal of 172924259 is 952429271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172924259 - 2⁴ = 172924243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (172924159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86462129 + 86462130.

It is an arithmetic number, because the mean of its divisors is an integer number (86462130).

Almost surely, 2^172924259 is an apocalyptic number.

172924259 is a deficient number, since it is larger than the sum of its proper divisors (1).

172924259 is an equidigital number, since it uses as much as digits as its factorization.

172924259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 172924259 is about 13150.0668819592. The cubic root of 172924259 is about 557.1241371156.

The spelling of 172924259 in words is "one hundred seventy-two million, nine hundred twenty-four thousand, two hundred fifty-nine".