80465265 has 32 divisors (see below), whose sum is σ = 143452800. Its totient is φ = 42793920.

The previous prime is 80465261. The next prime is 80465279. The reversal of 80465265 is 56256408.

It is not a de Polignac number, because 80465265 - 2² = 80465261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80465261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68130 + ... + 69300.

It is an arithmetic number, because the mean of its divisors is an integer number (4482900).

Almost surely, 2^80465265 is an apocalyptic number.

It is an amenable number.

80465265 is a deficient number, since it is larger than the sum of its proper divisors (62987535).

80465265 is a wasteful number, since it uses less digits than its factorization.

80465265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1688 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 80465265 is about 8970.2433077370. The cubic root of 80465265 is about 431.7206430784.

The spelling of 80465265 in words is "eighty million, four hundred sixty-five thousand, two hundred sixty-five".