80563825 has 12 divisors (see below), whose sum is σ = 104243328. Its totient is φ = 61648400.

The previous prime is 80563817. The next prime is 80563829. The reversal of 80563825 is 52836508.

It is not a de Polignac number, because 80563825 - 2³ = 80563817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80563829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69481 + ... + 70630.

It is an arithmetic number, because the mean of its divisors is an integer number (8686944).

Almost surely, 2^80563825 is an apocalyptic number.

It is an amenable number.

80563825 is a deficient number, since it is larger than the sum of its proper divisors (23679503).

80563825 is a wasteful number, since it uses less digits than its factorization.

80563825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140144 (or 140139 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 80563825 is about 8975.7353459201. The cubic root of 80563825 is about 431.8968392934.

It can be divided in two parts, 8056 and 3825, that added together give a square (11881 = 109²).

The spelling of 80563825 in words is "eighty million, five hundred sixty-three thousand, eight hundred twenty-five".