116534489 has 2 divisors, whose sum is σ = 116534490. Its totient is φ = 116534488.

The previous prime is 116534477. The next prime is 116534503. The reversal of 116534489 is 984435611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111091600 + 5442889 = 10540^2 + 2333^2 .

It is an emirp because it is prime and its reverse (984435611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116534489 - 2⁸ = 116534233 is a prime.

It is a super-2 number, since 2×116534489² = 27160574252982242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116534419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58267244 + 58267245.

It is an arithmetic number, because the mean of its divisors is an integer number (58267245).

Almost surely, 2^116534489 is an apocalyptic number.

It is an amenable number.

116534489 is a deficient number, since it is larger than the sum of its proper divisors (1).

116534489 is an equidigital number, since it uses as much as digits as its factorization.

116534489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 116534489 is about 10795.1141263073. The cubic root of 116534489 is about 488.4478009672.

The spelling of 116534489 in words is "one hundred sixteen million, five hundred thirty-four thousand, four hundred eighty-nine".