82249259 has 2 divisors, whose sum is σ = 82249260. Its totient is φ = 82249258.

The previous prime is 82249253. The next prime is 82249301. The reversal of 82249259 is 95294228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82249259 - 2²⁰ = 81200683 is a prime.

It is not a weakly prime, because it can be changed into another prime (82249253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41124629 + 41124630.

It is an arithmetic number, because the mean of its divisors is an integer number (41124630).

Almost surely, 2^82249259 is an apocalyptic number.

82249259 is a deficient number, since it is larger than the sum of its proper divisors (1).

82249259 is an equidigital number, since it uses as much as digits as its factorization.

82249259 is an odious number, because the sum of its binary digits is odd.

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

The square root of 82249259 is about 9069.1377208641. The cubic root of 82249259 is about 434.8879069966.

The spelling of 82249259 in words is "eighty-two million, two hundred forty-nine thousand, two hundred fifty-nine".