80572589 has 2 divisors, whose sum is σ = 80572590. Its totient is φ = 80572588.

The previous prime is 80572567. The next prime is 80572633. The reversal of 80572589 is 98527508.

It is an a-pointer prime, because the next prime (80572633) can be obtained adding 80572589 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50651689 + 29920900 = 7117^2 + 5470^2 .

It is a cyclic number.

It is not a de Polignac number, because 80572589 - 2²⁰ = 79524013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80572549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40286294 + 40286295.

It is an arithmetic number, because the mean of its divisors is an integer number (40286295).

Almost surely, 2^80572589 is an apocalyptic number.

It is an amenable number.

80572589 is a deficient number, since it is larger than the sum of its proper divisors (1).

80572589 is an equidigital number, since it uses as much as digits as its factorization.

80572589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 80572589 is about 8976.2235377691. The cubic root of 80572589 is about 431.9124997823.

The spelling of 80572589 in words is "eighty million, five hundred seventy-two thousand, five hundred eighty-nine".