82499933 has 2 divisors, whose sum is σ = 82499934. Its totient is φ = 82499932.

The previous prime is 82499917. The next prime is 82499947. The reversal of 82499933 is 33999428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82210489 + 289444 = 9067^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 82499933 - 2⁴ = 82499917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82492933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41249966 + 41249967.

It is an arithmetic number, because the mean of its divisors is an integer number (41249967).

Almost surely, 2^82499933 is an apocalyptic number.

It is an amenable number.

82499933 is a deficient number, since it is larger than the sum of its proper divisors (1).

82499933 is an equidigital number, since it uses as much as digits as its factorization.

82499933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 82499933 is about 9082.9473740631. The cubic root of 82499933 is about 435.3292667119.

The spelling of 82499933 in words is "eighty-two million, four hundred ninety-nine thousand, nine hundred thirty-three".