118592489 has 2 divisors, whose sum is σ = 118592490. Its totient is φ = 118592488.

The previous prime is 118592447. The next prime is 118592497. The reversal of 118592489 is 984295811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118374400 + 218089 = 10880^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 118592489 - 2²⁰ = 117543913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118592189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59296244 + 59296245.

It is an arithmetic number, because the mean of its divisors is an integer number (59296245).

Almost surely, 2^118592489 is an apocalyptic number.

It is an amenable number.

118592489 is a deficient number, since it is larger than the sum of its proper divisors (1).

118592489 is an equidigital number, since it uses as much as digits as its factorization.

118592489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 47.

The square root of 118592489 is about 10890.0178604078. The cubic root of 118592489 is about 491.3063696600.

The spelling of 118592489 in words is "one hundred eighteen million, five hundred ninety-two thousand, four hundred eighty-nine".