116622521 has 2 divisors, whose sum is σ = 116622522. Its totient is φ = 116622520.

The previous prime is 116622511. The next prime is 116622523. The reversal of 116622521 is 125226611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62805625 + 53816896 = 7925^2 + 7336^2 .

It is a cyclic number.

It is not a de Polignac number, because 116622521 - 2¹⁰ = 116621497 is a prime.

Together with 116622523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116622523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58311260 + 58311261.

It is an arithmetic number, because the mean of its divisors is an integer number (58311261).

Almost surely, 2^116622521 is an apocalyptic number.

It is an amenable number.

116622521 is a deficient number, since it is larger than the sum of its proper divisors (1).

116622521 is an equidigital number, since it uses as much as digits as its factorization.

116622521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 116622521 is about 10799.1907567188. The cubic root of 116622521 is about 488.5707637465.

The spelling of 116622521 in words is "one hundred sixteen million, six hundred twenty-two thousand, five hundred twenty-one".