116624281 has 2 divisors, whose sum is σ = 116624282. Its totient is φ = 116624280.

The previous prime is 116624279. The next prime is 116624309. The reversal of 116624281 is 182426611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68890000 + 47734281 = 8300^2 + 6909^2 .

It is a cyclic number.

It is not a de Polignac number, because 116624281 - 2¹ = 116624279 is a prime.

It is a super-2 number, since 2×116624281² = 27202445837533922, which contains 22 as substring.

Together with 116624279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (116624231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58312140 + 58312141.

It is an arithmetic number, because the mean of its divisors is an integer number (58312141).

Almost surely, 2^116624281 is an apocalyptic number.

It is an amenable number.

116624281 is a deficient number, since it is larger than the sum of its proper divisors (1).

116624281 is an equidigital number, since it uses as much as digits as its factorization.

116624281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 116624281 is about 10799.2722439987. The cubic root of 116624281 is about 488.5732214771.

The spelling of 116624281 in words is "one hundred sixteen million, six hundred twenty-four thousand, two hundred eighty-one".