809343425 has 24 divisors (see below), whose sum is σ = 1112791872. Its totient is φ = 578952000.

The previous prime is 809343419. The next prime is 809343449. The reversal of 809343425 is 524343908.

It is not a de Polignac number, because 809343425 - 2⁸ = 809343169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7349 + ... + 40898.

It is an arithmetic number, because the mean of its divisors is an integer number (46366328).

Almost surely, 2^809343425 is an apocalyptic number.

It is an amenable number.

809343425 is a deficient number, since it is larger than the sum of its proper divisors (303448447).

809343425 is a wasteful number, since it uses less digits than its factorization.

809343425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48329 (or 48324 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 809343425 is about 28448.9617560993. The cubic root of 809343425 is about 931.9178156547.

The spelling of 809343425 in words is "eight hundred nine million, three hundred forty-three thousand, four hundred twenty-five".