80565275 has 12 divisors (see below), whose sum is σ = 114172752. Its totient is φ = 55244640.

The previous prime is 80565269. The next prime is 80565281. The reversal of 80565275 is 57256508.

It is an interprime number because it is at equal distance from previous prime (80565269) and next prime (80565281).

It is not a de Polignac number, because 80565275 - 2⁴ = 80565259 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 230012 + ... + 230361.

It is an arithmetic number, because the mean of its divisors is an integer number (9514396).

Almost surely, 2^80565275 is an apocalyptic number.

80565275 is a deficient number, since it is larger than the sum of its proper divisors (33607477).

80565275 is a wasteful number, since it uses less digits than its factorization.

80565275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460390 (or 460385 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 80565275 is about 8975.8161188830. The cubic root of 80565275 is about 431.8994303929.

It can be divided in two parts, 8056 and 5275, that added together give a palindrome (13331).

The spelling of 80565275 in words is "eighty million, five hundred sixty-five thousand, two hundred seventy-five".