417742631 has 2 divisors, whose sum is σ = 417742632. Its totient is φ = 417742630.

The previous prime is 417742621. The next prime is 417742643. The reversal of 417742631 is 136247714.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 417742631 - 2¹⁴ = 417726247 is a prime.

It is a super-2 number, since 2×417742631² = 349017811509604322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 417742591 and 417742600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (417742601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208871315 + 208871316.

It is an arithmetic number, because the mean of its divisors is an integer number (208871316).

Almost surely, 2^417742631 is an apocalyptic number.

417742631 is a deficient number, since it is larger than the sum of its proper divisors (1).

417742631 is an equidigital number, since it uses as much as digits as its factorization.

417742631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 35.

The square root of 417742631 is about 20438.7531664728. The cubic root of 417742631 is about 747.5431493755.

The spelling of 417742631 in words is "four hundred seventeen million, seven hundred forty-two thousand, six hundred thirty-one".