426625 has 8 divisors (see below), whose sum is σ = 532584. Its totient is φ = 341200.

The previous prime is 426611. The next prime is 426631. The reversal of 426625 is 526624.

It can be written as a sum of positive squares in 4 ways, for example, as 1521 + 425104 = 39^2 + 652^2 .

It is not a de Polignac number, because 426625 - 2¹¹ = 424577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426625.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582 + ... + 1831.

It is an arithmetic number, because the mean of its divisors is an integer number (66573).

2⁴²⁶⁶²⁵ is an apocalyptic number.

It is an amenable number.

426625 is a deficient number, since it is larger than the sum of its proper divisors (105959).

426625 is an equidigital number, since it uses as much as digits as its factorization.

426625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428 (or 3418 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 426625 is about 653.1653695658. The cubic root of 426625 is about 75.2804316160.

Subtracting 426625 from its reverse (526624), we obtain a palindrome (99999).

The spelling of 426625 in words is "four hundred twenty-six thousand, six hundred twenty-five".