32426431 has 2 divisors, whose sum is σ = 32426432. Its totient is φ = 32426430.

The previous prime is 32426417. The next prime is 32426447. The reversal of 32426431 is 13462423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32426431 - 2⁵ = 32426399 is a prime.

It is a super-2 number, since 2×32426431² = 2102946854795522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32426396 and 32426405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32426491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16213215 + 16213216.

It is an arithmetic number, because the mean of its divisors is an integer number (16213216).

Almost surely, 2^32426431 is an apocalyptic number.

32426431 is a deficient number, since it is larger than the sum of its proper divisors (1).

32426431 is an equidigital number, since it uses as much as digits as its factorization.

32426431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 32426431 is about 5694.4210416863. The cubic root of 32426431 is about 318.8842358614.

Adding to 32426431 its reverse (13462423), we get a palindrome (45888854).

The spelling of 32426431 in words is "thirty-two million, four hundred twenty-six thousand, four hundred thirty-one".