116653261 has 2 divisors, whose sum is σ = 116653262. Its totient is φ = 116653260.

The previous prime is 116653259. The next prime is 116653291. The reversal of 116653261 is 162356611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100701225 + 15952036 = 10035^2 + 3994^2 .

It is a cyclic number.

It is not a de Polignac number, because 116653261 - 2¹ = 116653259 is a prime.

Together with 116653259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116653291) 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, 58326630 + 58326631.

It is an arithmetic number, because the mean of its divisors is an integer number (58326631).

Almost surely, 2^116653261 is an apocalyptic number.

It is an amenable number.

116653261 is a deficient number, since it is larger than the sum of its proper divisors (1).

116653261 is an equidigital number, since it uses as much as digits as its factorization.

116653261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 116653261 is about 10800.6139177363. The cubic root of 116653261 is about 488.6136866908.

The spelling of 116653261 in words is "one hundred sixteen million, six hundred fifty-three thousand, two hundred sixty-one".