992585089 has 2 divisors, whose sum is σ = 992585090. Its totient is φ = 992585088.

The previous prime is 992585047. The next prime is 992585123. The reversal of 992585089 is 980585299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 903603600 + 88981489 = 30060^2 + 9433^2 .

It is a cyclic number.

It is not a de Polignac number, because 992585089 - 2¹¹ = 992583041 is a prime.

It is not a weakly prime, because it can be changed into another prime (992585389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496292544 + 496292545.

It is an arithmetic number, because the mean of its divisors is an integer number (496292545).

Almost surely, 2^992585089 is an apocalyptic number.

It is an amenable number.

992585089 is a deficient number, since it is larger than the sum of its proper divisors (1).

992585089 is an equidigital number, since it uses as much as digits as its factorization.

992585089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 55.

The square root of 992585089 is about 31505.3184240376. The cubic root of 992585089 is about 997.5222287201.

The spelling of 992585089 in words is "nine hundred ninety-two million, five hundred eighty-five thousand, eighty-nine".