853037489 has 2 divisors, whose sum is σ = 853037490. Its totient is φ = 853037488.

The previous prime is 853037477. The next prime is 853037519. The reversal of 853037489 is 984730358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 621754225 + 231283264 = 24935^2 + 15208^2 .

It is a cyclic number.

It is not a de Polignac number, because 853037489 - 2¹⁶ = 852971953 is a prime.

It is not a weakly prime, because it can be changed into another prime (853039489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426518744 + 426518745.

It is an arithmetic number, because the mean of its divisors is an integer number (426518745).

Almost surely, 2^853037489 is an apocalyptic number.

It is an amenable number.

853037489 is a deficient number, since it is larger than the sum of its proper divisors (1).

853037489 is an equidigital number, since it uses as much as digits as its factorization.

853037489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 853037489 is about 29206.8055254251. The cubic root of 853037489 is about 948.3952553267.

The spelling of 853037489 in words is "eight hundred fifty-three million, thirty-seven thousand, four hundred eighty-nine".