426117531 has 8 divisors (see below), whose sum is σ = 649321984. Its totient is φ = 243495720.

The previous prime is 426117499. The next prime is 426117533. The reversal of 426117531 is 135711624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426117531 - 2⁵ = 426117499 is a prime.

It is a super-2 number, since 2×426117531² = 363152300451071922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426117533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10145635 + ... + 10145676.

It is an arithmetic number, because the mean of its divisors is an integer number (81165248).

Almost surely, 2^426117531 is an apocalyptic number.

426117531 is a deficient number, since it is larger than the sum of its proper divisors (223204453).

426117531 is a wasteful number, since it uses less digits than its factorization.

426117531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20291321.

The product of its digits is 5040, while the sum is 30.

The square root of 426117531 is about 20642.6144419742. The cubic root of 426117531 is about 752.5057116670.

The spelling of 426117531 in words is "four hundred twenty-six million, one hundred seventeen thousand, five hundred thirty-one".