426245631 has 16 divisors (see below), whose sum is σ = 649822464. Its totient is φ = 243454464.

The previous prime is 426245609. The next prime is 426245681. The reversal of 426245631 is 136542624.

It is not a de Polignac number, because 426245631 - 2⁷ = 426245503 is a prime.

It is a super-2 number, since 2×426245631² = 363370675893176322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426245592 and 426245601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426245681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64095 + ... + 70431.

It is an arithmetic number, because the mean of its divisors is an integer number (40613904).

Almost surely, 2^426245631 is an apocalyptic number.

426245631 is a deficient number, since it is larger than the sum of its proper divisors (223576833).

426245631 is a wasteful number, since it uses less digits than its factorization.

426245631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550.

The product of its digits is 34560, while the sum is 33.

The square root of 426245631 is about 20645.7170134631. The cubic root of 426245631 is about 752.5811105235.

The spelling of 426245631 in words is "four hundred twenty-six million, two hundred forty-five thousand, six hundred thirty-one".