426909625 has 8 divisors (see below), whose sum is σ = 532783368. Its totient is φ = 341527600.

The previous prime is 426909619. The next prime is 426909629. The reversal of 426909625 is 526909624.

It can be written as a sum of positive squares in 4 ways, for example, as 17413929 + 409495696 = 4173^2 + 20236^2 .

It is a de Polignac number, because none of the positive numbers 2^k-426909625 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426909629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1707514 + ... + 1707763.

It is an arithmetic number, because the mean of its divisors is an integer number (66597921).

Almost surely, 2^426909625 is an apocalyptic number.

It is an amenable number.

426909625 is a deficient number, since it is larger than the sum of its proper divisors (105873743).

426909625 is an equidigital number, since it uses as much as digits as its factorization.

426909625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415292 (or 3415282 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 426909625 is about 20661.7914276570. The cubic root of 426909625 is about 752.9716913310.

Subtracting 426909625 from its reverse (526909624), we obtain a palindrome (99999999).

The spelling of 426909625 in words is "four hundred twenty-six million, nine hundred nine thousand, six hundred twenty-five".