426535131 has 32 divisors (see below), whose sum is σ = 639786240. Its totient is φ = 250560000.

The previous prime is 426535099. The next prime is 426535139. The reversal of 426535131 is 131535624.

It is not a de Polignac number, because 426535131 - 2⁵ = 426535099 is a prime.

It is a super-2 number, since 2×426535131² = 363864435954374322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426535139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140631 + ... + 143631.

It is an arithmetic number, because the mean of its divisors is an integer number (19993320).

Almost surely, 2^426535131 is an apocalyptic number.

426535131 is a deficient number, since it is larger than the sum of its proper divisors (213251109).

426535131 is a wasteful number, since it uses less digits than its factorization.

426535131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147.

The product of its digits is 10800, while the sum is 30.

The square root of 426535131 is about 20652.7269628008. The cubic root of 426535131 is about 752.7514527776.

The spelling of 426535131 in words is "four hundred twenty-six million, five hundred thirty-five thousand, one hundred thirty-one".