162489713 has 2 divisors, whose sum is σ = 162489714. Its totient is φ = 162489712.

The previous prime is 162489659. The next prime is 162489721. The reversal of 162489713 is 317984261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129231424 + 33258289 = 11368^2 + 5767^2 .

It is a cyclic number.

It is not a de Polignac number, because 162489713 - 2²⁶ = 95380849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (162489113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81244856 + 81244857.

It is an arithmetic number, because the mean of its divisors is an integer number (81244857).

Almost surely, 2^162489713 is an apocalyptic number.

It is an amenable number.

162489713 is a deficient number, since it is larger than the sum of its proper divisors (1).

162489713 is an equidigital number, since it uses as much as digits as its factorization.

162489713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 162489713 is about 12747.1452882596. The cubic root of 162489713 is about 545.6849262531.

The spelling of 162489713 in words is "one hundred sixty-two million, four hundred eighty-nine thousand, seven hundred thirteen".