82302991 has 2 divisors, whose sum is σ = 82302992. Its totient is φ = 82302990.

The previous prime is 82302973. The next prime is 82303021. The reversal of 82302991 is 19920328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82302991 - 2¹¹ = 82300943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82302391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41151495 + 41151496.

It is an arithmetic number, because the mean of its divisors is an integer number (41151496).

Almost surely, 2^82302991 is an apocalyptic number.

82302991 is a deficient number, since it is larger than the sum of its proper divisors (1).

82302991 is an equidigital number, since it uses as much as digits as its factorization.

82302991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 82302991 is about 9072.0995916050. The cubic root of 82302991 is about 434.9825879321.

The spelling of 82302991 in words is "eighty-two million, three hundred two thousand, nine hundred ninety-one".