82299493 has 2 divisors, whose sum is σ = 82299494. Its totient is φ = 82299492.

The previous prime is 82299487. The next prime is 82299523. The reversal of 82299493 is 39499228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47983329 + 34316164 = 6927^2 + 5858^2 .

It is a cyclic number.

It is not a de Polignac number, because 82299493 - 2⁵ = 82299461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82299403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41149746 + 41149747.

It is an arithmetic number, because the mean of its divisors is an integer number (41149747).

Almost surely, 2^82299493 is an apocalyptic number.

It is an amenable number.

82299493 is a deficient number, since it is larger than the sum of its proper divisors (1).

82299493 is an equidigital number, since it uses as much as digits as its factorization.

82299493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 46.

The square root of 82299493 is about 9071.9068006677. The cubic root of 82299493 is about 434.9764253750.

The spelling of 82299493 in words is "eighty-two million, two hundred ninety-nine thousand, four hundred ninety-three".