426532331 has 4 divisors (see below), whose sum is σ = 426583872. Its totient is φ = 426480792.

The previous prime is 426532321. The next prime is 426532343. The reversal of 426532331 is 133235624.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 426532331 - 2²² = 422338027 is a prime.

It is a super-2 number, since 2×426532331² = 363859658776587122, 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 = 426532294 and 426532303.

It is not an unprimeable number, because it can be changed into a prime (426532321) 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, 10235 + ... + 30948.

It is an arithmetic number, because the mean of its divisors is an integer number (106645968).

Almost surely, 2^426532331 is an apocalyptic number.

426532331 is a deficient number, since it is larger than the sum of its proper divisors (51541).

426532331 is a wasteful number, since it uses less digits than its factorization.

426532331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51540.

The product of its digits is 12960, while the sum is 29.

The square root of 426532331 is about 20652.6591750312. The cubic root of 426532331 is about 752.7498056224.

Adding to 426532331 its reverse (133235624), we get a palindrome (559767955).

The spelling of 426532331 in words is "four hundred twenty-six million, five hundred thirty-two thousand, three hundred thirty-one".