80321225 has 6 divisors (see below), whose sum is σ = 99598350. Its totient is φ = 64256960.

The previous prime is 80321183. The next prime is 80321231. The reversal of 80321225 is 52212308.

It can be written as a sum of positive squares in 3 ways, for example, as 17007376 + 63313849 = 4124^2 + 7957^2 .

It is a de Polignac number, because none of the positive numbers 2^k-80321225 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80321225.

It is an unprimeable number.

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, 1606400 + ... + 1606449.

It is an arithmetic number, because the mean of its divisors is an integer number (16599725).

Almost surely, 2^80321225 is an apocalyptic number.

It is an amenable number.

80321225 is a deficient number, since it is larger than the sum of its proper divisors (19277125).

80321225 is a wasteful number, since it uses less digits than its factorization.

80321225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212859 (or 3212854 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 80321225 is about 8962.2109437348. The cubic root of 80321225 is about 431.4628830625.

The spelling of 80321225 in words is "eighty million, three hundred twenty-one thousand, two hundred twenty-five".