82498681 has 2 divisors, whose sum is σ = 82498682. Its totient is φ = 82498680.

The previous prime is 82498667. The next prime is 82498693. The reversal of 82498681 is 18689428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78854400 + 3644281 = 8880^2 + 1909^2 .

It is a cyclic number.

It is not a de Polignac number, because 82498681 - 2¹⁷ = 82367609 is a prime.

It is a super-2 number, since 2×82498681² = 13612064733479522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82498621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41249340 + 41249341.

It is an arithmetic number, because the mean of its divisors is an integer number (41249341).

Almost surely, 2^82498681 is an apocalyptic number.

It is an amenable number.

82498681 is a deficient number, since it is larger than the sum of its proper divisors (1).

82498681 is an equidigital number, since it uses as much as digits as its factorization.

82498681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 46.

The square root of 82498681 is about 9082.8784534419. The cubic root of 82498681 is about 435.3270645485.

The spelling of 82498681 in words is "eighty-two million, four hundred ninety-eight thousand, six hundred eighty-one".