417425831 has 2 divisors, whose sum is σ = 417425832. Its totient is φ = 417425830.

The previous prime is 417425779. The next prime is 417425843. The reversal of 417425831 is 138524714.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-417425831 is a prime.

It is a super-2 number, since 2×417425831² = 348488648772081122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 417425791 and 417425800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (417425851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208712915 + 208712916.

It is an arithmetic number, because the mean of its divisors is an integer number (208712916).

Almost surely, 2^417425831 is an apocalyptic number.

417425831 is a deficient number, since it is larger than the sum of its proper divisors (1).

417425831 is an equidigital number, since it uses as much as digits as its factorization.

417425831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The square root of 417425831 is about 20431.0017130830. The cubic root of 417425831 is about 747.3541322288.

The spelling of 417425831 in words is "four hundred seventeen million, four hundred twenty-five thousand, eight hundred thirty-one".