80305275 has 24 divisors (see below), whose sum is σ = 133832704. Its totient is φ = 42487200.

The previous prime is 80305261. The next prime is 80305339. The reversal of 80305275 is 57250308.

It is a happy number.

It is not a de Polignac number, because 80305275 - 2⁵ = 80305243 is a prime.

It is a Duffinian number.

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, 5310 + ... + 13740.

Almost surely, 2^80305275 is an apocalyptic number.

80305275 is a deficient number, since it is larger than the sum of its proper divisors (53527429).

80305275 is a wasteful number, since it uses less digits than its factorization.

80305275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8571 (or 8566 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 80305275 is about 8961.3210521664. The cubic root of 80305275 is about 431.4343215435.

The spelling of 80305275 in words is "eighty million, three hundred five thousand, two hundred seventy-five".