82392491 has 2 divisors, whose sum is σ = 82392492. Its totient is φ = 82392490.

The previous prime is 82392487. The next prime is 82392547. The reversal of 82392491 is 19429328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82392491 - 2² = 82392487 is a prime.

It is not a weakly prime, because it can be changed into another prime (82394491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41196245 + 41196246.

It is an arithmetic number, because the mean of its divisors is an integer number (41196246).

Almost surely, 2^82392491 is an apocalyptic number.

82392491 is a deficient number, since it is larger than the sum of its proper divisors (1).

82392491 is an equidigital number, since it uses as much as digits as its factorization.

82392491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 82392491 is about 9077.0309573120. The cubic root of 82392491 is about 435.1402040686.

The spelling of 82392491 in words is "eighty-two million, three hundred ninety-two thousand, four hundred ninety-one".