426565463 has 2 divisors, whose sum is σ = 426565464. Its totient is φ = 426565462.

The previous prime is 426565439. The next prime is 426565481. The reversal of 426565463 is 364565624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426565463 - 2¹² = 426561367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426565463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426565493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213282731 + 213282732.

It is an arithmetic number, because the mean of its divisors is an integer number (213282732).

Almost surely, 2^426565463 is an apocalyptic number.

426565463 is a deficient number, since it is larger than the sum of its proper divisors (1).

426565463 is an equidigital number, since it uses as much as digits as its factorization.

426565463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 41.

The square root of 426565463 is about 20653.4612837655. The cubic root of 426565463 is about 752.7692957127.

The spelling of 426565463 in words is "four hundred twenty-six million, five hundred sixty-five thousand, four hundred sixty-three".