426732563 has 2 divisors, whose sum is σ = 426732564. Its totient is φ = 426732562.

The previous prime is 426732557. The next prime is 426732583. The reversal of 426732563 is 365237624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426732563 - 2⁶ = 426732499 is a prime.

It is not a weakly prime, because it can be changed into another prime (426732503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213366281 + 213366282.

It is an arithmetic number, because the mean of its divisors is an integer number (213366282).

Almost surely, 2^426732563 is an apocalyptic number.

426732563 is a deficient number, since it is larger than the sum of its proper divisors (1).

426732563 is an equidigital number, since it uses as much as digits as its factorization.

426732563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 38.

The square root of 426732563 is about 20657.5062144490. The cubic root of 426732563 is about 752.8675778746.

The spelling of 426732563 in words is "four hundred twenty-six million, seven hundred thirty-two thousand, five hundred sixty-three".