80465393 has 2 divisors, whose sum is σ = 80465394. Its totient is φ = 80465392.

The previous prime is 80465381. The next prime is 80465423. The reversal of 80465393 is 39356408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70174129 + 10291264 = 8377^2 + 3208^2 .

It is a cyclic number.

It is not a de Polignac number, because 80465393 - 2²² = 76271089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (80465303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40232696 + 40232697.

It is an arithmetic number, because the mean of its divisors is an integer number (40232697).

Almost surely, 2^80465393 is an apocalyptic number.

It is an amenable number.

80465393 is a deficient number, since it is larger than the sum of its proper divisors (1).

80465393 is an equidigital number, since it uses as much as digits as its factorization.

80465393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 80465393 is about 8970.2504424347. The cubic root of 80465393 is about 431.7208719979.

The spelling of 80465393 in words is "eighty million, four hundred sixty-five thousand, three hundred ninety-three".