82365961 has 2 divisors, whose sum is σ = 82365962. Its totient is φ = 82365960.

The previous prime is 82365919. The next prime is 82365989. The reversal of 82365961 is 16956328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69806025 + 12559936 = 8355^2 + 3544^2 .

It is a cyclic number.

It is not a de Polignac number, because 82365961 - 2⁹ = 82365449 is a prime.

It is not a weakly prime, because it can be changed into another prime (82365911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41182980 + 41182981.

It is an arithmetic number, because the mean of its divisors is an integer number (41182981).

Almost surely, 2^82365961 is an apocalyptic number.

It is an amenable number.

82365961 is a deficient number, since it is larger than the sum of its proper divisors (1).

82365961 is an equidigital number, since it uses as much as digits as its factorization.

82365961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 82365961 is about 9075.5694587172. The cubic root of 82365961 is about 435.0934946789.

The spelling of 82365961 in words is "eighty-two million, three hundred sixty-five thousand, nine hundred sixty-one".