172416001 has 2 divisors, whose sum is σ = 172416002. Its totient is φ = 172416000.

The previous prime is 172415993. The next prime is 172416011. The reversal of 172416001 is 100614271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124099600 + 48316401 = 11140^2 + 6951^2 .

It is a cyclic number.

It is not a de Polignac number, because 172416001 - 2³ = 172415993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (172416011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86208000 + 86208001.

It is an arithmetic number, because the mean of its divisors is an integer number (86208001).

Almost surely, 2^172416001 is an apocalyptic number.

It is an amenable number.

172416001 is a deficient number, since it is larger than the sum of its proper divisors (1).

172416001 is an equidigital number, since it uses as much as digits as its factorization.

172416001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 172416001 is about 13130.7273598990. The cubic root of 172416001 is about 556.5777694386.

The spelling of 172416001 in words is "one hundred seventy-two million, four hundred sixteen thousand, one".