425496625 has 8 divisors (see below), whose sum is σ = 531019944. Its totient is φ = 340397200.

The previous prime is 425496623. The next prime is 425496637. The reversal of 425496625 is 526694524.

It can be written as a sum of positive squares in 4 ways, for example, as 25816561 + 399680064 = 5081^2 + 19992^2 .

It is not a de Polignac number, because 425496625 - 2¹ = 425496623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425496623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701862 + ... + 1702111.

It is an arithmetic number, because the mean of its divisors is an integer number (66377493).

Almost surely, 2^425496625 is an apocalyptic number.

It is an amenable number.

425496625 is a deficient number, since it is larger than the sum of its proper divisors (105523319).

425496625 is an equidigital number, since it uses as much as digits as its factorization.

425496625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403988 (or 3403978 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 425496625 is about 20627.5695369086. The cubic root of 425496625 is about 752.1400360015.

Subtracting from 425496625 its product of digits (518400), we obtain a square (424978225 = 20615²).

The spelling of 425496625 in words is "four hundred twenty-five million, four hundred ninety-six thousand, six hundred twenty-five".