425456563 has 12 divisors (see below), whose sum is σ = 496188192. Its totient is φ = 363741840.

The previous prime is 425456533. The next prime is 425456573. The reversal of 425456563 is 365654524.

It is a happy number.

It is not a de Polignac number, because 425456563 - 2⁹ = 425456051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425456533) 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 in 11 ways as a sum of consecutive naturals, for example, 8518 + ... + 30388.

It is an arithmetic number, because the mean of its divisors is an integer number (41349016).

Almost surely, 2^425456563 is an apocalyptic number.

425456563 is a deficient number, since it is larger than the sum of its proper divisors (70731629).

425456563 is a wasteful number, since it uses less digits than its factorization.

425456563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22282 (or 22275 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

The square root of 425456563 is about 20626.5984350304. The cubic root of 425456563 is about 752.1164297195.

The spelling of 425456563 in words is "four hundred twenty-five million, four hundred fifty-six thousand, five hundred sixty-three".