116252989 has 2 divisors, whose sum is σ = 116252990. Its totient is φ = 116252988.

The previous prime is 116252977. The next prime is 116252993. The reversal of 116252989 is 989252611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59552089 + 56700900 = 7717^2 + 7530^2 .

It is a cyclic number.

It is not a de Polignac number, because 116252989 - 2¹¹ = 116250941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116250989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58126494 + 58126495.

It is an arithmetic number, because the mean of its divisors is an integer number (58126495).

Almost surely, 2^116252989 is an apocalyptic number.

It is an amenable number.

116252989 is a deficient number, since it is larger than the sum of its proper divisors (1).

116252989 is an equidigital number, since it uses as much as digits as its factorization.

116252989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 43.

The square root of 116252989 is about 10782.0679370889. The cubic root of 116252989 is about 488.0541866843.

The spelling of 116252989 in words is "one hundred sixteen million, two hundred fifty-two thousand, nine hundred eighty-nine".