426564425 has 48 divisors (see below), whose sum is σ = 645672960. Its totient is φ = 272885760.

The previous prime is 426564419. The next prime is 426564443. The reversal of 426564425 is 524465624.

It is not a de Polignac number, because 426564425 - 2⁶ = 426564361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 377261 + ... + 378389.

It is an arithmetic number, because the mean of its divisors is an integer number (13451520).

Almost surely, 2^426564425 is an apocalyptic number.

It is an amenable number.

426564425 is a deficient number, since it is larger than the sum of its proper divisors (219108535).

426564425 is a wasteful number, since it uses less digits than its factorization.

426564425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1285 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The square root of 426564425 is about 20653.4361547903. The cubic root of 426564425 is about 752.7686851185.

The spelling of 426564425 in words is "four hundred twenty-six million, five hundred sixty-four thousand, four hundred twenty-five".