82043249 has 2 divisors, whose sum is σ = 82043250. Its totient is φ = 82043248.

The previous prime is 82043237. The next prime is 82043257. The reversal of 82043249 is 94234028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71707024 + 10336225 = 8468^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 82043249 - 2²⁰ = 80994673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82043219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41021624 + 41021625.

It is an arithmetic number, because the mean of its divisors is an integer number (41021625).

Almost surely, 2^82043249 is an apocalyptic number.

It is an amenable number.

82043249 is a deficient number, since it is larger than the sum of its proper divisors (1).

82043249 is an equidigital number, since it uses as much as digits as its factorization.

82043249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 82043249 is about 9057.7728498787. The cubic root of 82043249 is about 434.5245150224.

The spelling of 82043249 in words is "eighty-two million, forty-three thousand, two hundred forty-nine".