417252631 has 4 divisors (see below), whose sum is σ = 417398112. Its totient is φ = 417107152.

The previous prime is 417252629. The next prime is 417252643. The reversal of 417252631 is 136252714.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 417252631 - 2¹ = 417252629 is a prime.

It is a super-2 number, since 2×417252631² = 348199516152844322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 417252593 and 417252602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (417052631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68350 + ... + 74203.

It is an arithmetic number, because the mean of its divisors is an integer number (104349528).

Almost surely, 2^417252631 is an apocalyptic number.

417252631 is a deficient number, since it is larger than the sum of its proper divisors (145481).

417252631 is a wasteful number, since it uses less digits than its factorization.

417252631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145480.

The product of its digits is 10080, while the sum is 31.

The square root of 417252631 is about 20426.7626167242. The cubic root of 417252631 is about 747.2507528713.

The spelling of 417252631 in words is "four hundred seventeen million, two hundred fifty-two thousand, six hundred thirty-one".