406925117 has 2 divisors, whose sum is σ = 406925118. Its totient is φ = 406925116.

The previous prime is 406925089. The next prime is 406925153. The reversal of 406925117 is 711529604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402644356 + 4280761 = 20066^2 + 2069^2 .

It is a cyclic number.

It is not a de Polignac number, because 406925117 - 2⁶ = 406925053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406925017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203462558 + 203462559.

It is an arithmetic number, because the mean of its divisors is an integer number (203462559).

Almost surely, 2^406925117 is an apocalyptic number.

It is an amenable number.

406925117 is a deficient number, since it is larger than the sum of its proper divisors (1).

406925117 is an equidigital number, since it uses as much as digits as its factorization.

406925117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 406925117 is about 20172.3850102064. The cubic root of 406925117 is about 741.0340529128.

The spelling of 406925117 in words is "four hundred six million, nine hundred twenty-five thousand, one hundred seventeen".