116325721 has 2 divisors, whose sum is σ = 116325722. Its totient is φ = 116325720.

The previous prime is 116325709. The next prime is 116325749. The reversal of 116325721 is 127523611.

It is a happy number.

It is an a-pointer prime, because the next prime (116325749) can be obtained adding 116325721 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115347600 + 978121 = 10740^2 + 989^2 .

It is a cyclic number.

It is not a de Polignac number, because 116325721 - 2²³ = 107937113 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116325721.

It is not a weakly prime, because it can be changed into another prime (116325701) 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, 58162860 + 58162861.

It is an arithmetic number, because the mean of its divisors is an integer number (58162861).

Almost surely, 2^116325721 is an apocalyptic number.

It is an amenable number.

116325721 is a deficient number, since it is larger than the sum of its proper divisors (1).

116325721 is an equidigital number, since it uses as much as digits as its factorization.

116325721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 116325721 is about 10785.4402320907. The cubic root of 116325721 is about 488.1559468117.

The spelling of 116325721 in words is "one hundred sixteen million, three hundred twenty-five thousand, seven hundred twenty-one".