82259249 has 2 divisors, whose sum is σ = 82259250. Its totient is φ = 82259248.

The previous prime is 82259239. The next prime is 82259257. The reversal of 82259249 is 94295228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82228624 + 30625 = 9068^2 + 175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82259249 is a prime.

It is not a weakly prime, because it can be changed into another prime (82259239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41129624 + 41129625.

It is an arithmetic number, because the mean of its divisors is an integer number (41129625).

Almost surely, 2^82259249 is an apocalyptic number.

It is an amenable number.

82259249 is a deficient number, since it is larger than the sum of its proper divisors (1).

82259249 is an equidigital number, since it uses as much as digits as its factorization.

82259249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 82259249 is about 9069.6884731506. The cubic root of 82259249 is about 434.9055134543.

The spelling of 82259249 in words is "eighty-two million, two hundred fifty-nine thousand, two hundred forty-nine".