116652409 has 2 divisors, whose sum is σ = 116652410. Its totient is φ = 116652408.

The previous prime is 116652377. The next prime is 116652439. The reversal of 116652409 is 904256611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103978809 + 12673600 = 10197^2 + 3560^2 .

It is an emirp because it is prime and its reverse (904256611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116652409 - 2⁵ = 116652377 is a prime.

It is not a weakly prime, because it can be changed into another prime (116652439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58326204 + 58326205.

It is an arithmetic number, because the mean of its divisors is an integer number (58326205).

Almost surely, 2^116652409 is an apocalyptic number.

It is an amenable number.

116652409 is a deficient number, since it is larger than the sum of its proper divisors (1).

116652409 is an equidigital number, since it uses as much as digits as its factorization.

116652409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 116652409 is about 10800.5744754619. The cubic root of 116652409 is about 488.6124971259.

The spelling of 116652409 in words is "one hundred sixteen million, six hundred fifty-two thousand, four hundred nine".