808420025 has 24 divisors (see below), whose sum is σ = 1153271424. Its totient is φ = 550656000.

The previous prime is 808420009. The next prime is 808420033. The reversal of 808420025 is 520024808.

It is not a de Polignac number, because 808420025 - 2⁴ = 808420009 is a prime.

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 808420025.

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, 11129 + ... + 41721.

It is an arithmetic number, because the mean of its divisors is an integer number (48052976).

Almost surely, 2^808420025 is an apocalyptic number.

It is an amenable number.

808420025 is a deficient number, since it is larger than the sum of its proper divisors (344851399).

808420025 is a wasteful number, since it uses less digits than its factorization.

808420025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30761 (or 30756 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 808420025 is about 28432.7280611622. The cubic root of 808420025 is about 931.5632647270.

The spelling of 808420025 in words is "eight hundred eight million, four hundred twenty thousand, twenty-five".