80585573 has 2 divisors, whose sum is σ = 80585574. Its totient is φ = 80585572.

The previous prime is 80585543. The next prime is 80585581. The reversal of 80585573 is 37558508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46689889 + 33895684 = 6833^2 + 5822^2 .

It is a cyclic number.

It is not a de Polignac number, because 80585573 - 2⁶ = 80585509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80585573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80585513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40292786 + 40292787.

It is an arithmetic number, because the mean of its divisors is an integer number (40292787).

Almost surely, 2^80585573 is an apocalyptic number.

It is an amenable number.

80585573 is a deficient number, since it is larger than the sum of its proper divisors (1).

80585573 is an equidigital number, since it uses as much as digits as its factorization.

80585573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 80585573 is about 8976.9467526548. The cubic root of 80585573 is about 431.9356989487.

It can be divided in two parts, 8058 and 5573, that added together give a palindrome (13631).

The spelling of 80585573 in words is "eighty million, five hundred eighty-five thousand, five hundred seventy-three".