426404625 has 64 divisors (see below), whose sum is σ = 757216512. Its totient is φ = 212352000.

The previous prime is 426404581. The next prime is 426404689. The reversal of 426404625 is 526404624.

It is not a de Polignac number, because 426404625 - 2⁸ = 426404369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1344967 + ... + 1345283.

It is an arithmetic number, because the mean of its divisors is an integer number (11831508).

Almost surely, 2^426404625 is an apocalyptic number.

It is an amenable number.

426404625 is a deficient number, since it is larger than the sum of its proper divisors (330811887).

426404625 is a wasteful number, since it uses less digits than its factorization.

426404625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 426404625 is about 20649.5671867475. The cubic root of 426404625 is about 752.6746723869.

Subtracting 426404625 from its reverse (526404624), we obtain a palindrome (99999999).

The spelling of 426404625 in words is "four hundred twenty-six million, four hundred four thousand, six hundred twenty-five".