82246261 has 2 divisors, whose sum is σ = 82246262. Its totient is φ = 82246260.

The previous prime is 82246243. The next prime is 82246271. The reversal of 82246261 is 16264228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56175025 + 26071236 = 7495^2 + 5106^2 .

It is a cyclic number.

It is not a de Polignac number, because 82246261 - 2⁹ = 82245749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82246271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41123130 + 41123131.

It is an arithmetic number, because the mean of its divisors is an integer number (41123131).

Almost surely, 2^82246261 is an apocalyptic number.

It is an amenable number.

82246261 is a deficient number, since it is larger than the sum of its proper divisors (1).

82246261 is an equidigital number, since it uses as much as digits as its factorization.

82246261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 82246261 is about 9068.9724335230. The cubic root of 82246261 is about 434.8826230187.

The spelling of 82246261 in words is "eighty-two million, two hundred forty-six thousand, two hundred sixty-one".