116526521 has 2 divisors, whose sum is σ = 116526522. Its totient is φ = 116526520.

The previous prime is 116526511. The next prime is 116526523. The reversal of 116526521 is 125625611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113720896 + 2805625 = 10664^2 + 1675^2 .

It is an emirp because it is prime and its reverse (125625611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116526521 is a prime.

Together with 116526523, 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 (116526523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58263260 + 58263261.

It is an arithmetic number, because the mean of its divisors is an integer number (58263261).

Almost surely, 2^116526521 is an apocalyptic number.

It is an amenable number.

116526521 is a deficient number, since it is larger than the sum of its proper divisors (1).

116526521 is an equidigital number, since it uses as much as digits as its factorization.

116526521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

The square root of 116526521 is about 10794.7450641504. The cubic root of 116526521 is about 488.4366682378.

The spelling of 116526521 in words is "one hundred sixteen million, five hundred twenty-six thousand, five hundred twenty-one".