82280249 has 2 divisors, whose sum is σ = 82280250. Its totient is φ = 82280248.

The previous prime is 82280243. The next prime is 82280329. The reversal of 82280249 is 94208228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 16345849 = 8120^2 + 4043^2 .

It is a cyclic number.

It is not a de Polignac number, because 82280249 - 2²⁰ = 81231673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82280243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41140124 + 41140125.

It is an arithmetic number, because the mean of its divisors is an integer number (41140125).

Almost surely, 2^82280249 is an apocalyptic number.

It is an amenable number.

82280249 is a deficient number, since it is larger than the sum of its proper divisors (1).

82280249 is an equidigital number, since it uses as much as digits as its factorization.

82280249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 82280249 is about 9070.8461016600. The cubic root of 82280249 is about 434.9425193789.

The spelling of 82280249 in words is "eighty-two million, two hundred eighty thousand, two hundred forty-nine".