80320589 has 2 divisors, whose sum is σ = 80320590. Its totient is φ = 80320588.

The previous prime is 80320571. The next prime is 80320601. The reversal of 80320589 is 98502308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80102500 + 218089 = 8950^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 80320589 - 2²⁰ = 79272013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80320789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40160294 + 40160295.

It is an arithmetic number, because the mean of its divisors is an integer number (40160295).

Almost surely, 2^80320589 is an apocalyptic number.

It is an amenable number.

80320589 is a deficient number, since it is larger than the sum of its proper divisors (1).

80320589 is an equidigital number, since it uses as much as digits as its factorization.

80320589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 80320589 is about 8962.1754613487. The cubic root of 80320589 is about 431.4617442555.

The spelling of 80320589 in words is "eighty million, three hundred twenty thousand, five hundred eighty-nine".