426787625 has 32 divisors (see below), whose sum is σ = 588556800. Its totient is φ = 306384000.

The previous prime is 426787619. The next prime is 426787649. The reversal of 426787625 is 526787624.

It is not a de Polignac number, because 426787625 - 2¹⁶ = 426722089 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 426787625.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106661 + ... + 110589.

It is an arithmetic number, because the mean of its divisors is an integer number (18392400).

Almost surely, 2^426787625 is an apocalyptic number.

It is an amenable number.

426787625 is a deficient number, since it is larger than the sum of its proper divisors (161769175).

426787625 is a wasteful number, since it uses less digits than its factorization.

426787625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034 (or 4024 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The square root of 426787625 is about 20658.8389073539. The cubic root of 426787625 is about 752.8999577267.

Subtracting 426787625 from its reverse (526787624), we obtain a palindrome (99999999).

The spelling of 426787625 in words is "four hundred twenty-six million, seven hundred eighty-seven thousand, six hundred twenty-five".