808164425 has 6 divisors (see below), whose sum is σ = 1002123918. Its totient is φ = 646531520.

The previous prime is 808164421. The next prime is 808164433. The reversal of 808164425 is 524461808.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 142730809 + 665433616 = 11947^2 + 25796^2 .

It is not a de Polignac number, because 808164425 - 2² = 808164421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808164421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16163264 + ... + 16163313.

It is an arithmetic number, because the mean of its divisors is an integer number (167020653).

Almost surely, 2^808164425 is an apocalyptic number.

It is an amenable number.

808164425 is a deficient number, since it is larger than the sum of its proper divisors (193959493).

808164425 is a wasteful number, since it uses less digits than its factorization.

808164425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32326587 (or 32326582 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 808164425 is about 28428.2328856368. The cubic root of 808164425 is about 931.4650762186.

The spelling of 808164425 in words is "eight hundred eight million, one hundred sixty-four thousand, four hundred twenty-five".