82245913 has 2 divisors, whose sum is σ = 82245914. Its totient is φ = 82245912.

The previous prime is 82245899. The next prime is 82245973. The reversal of 82245913 is 31954228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58936329 + 23309584 = 7677^2 + 4828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82245913 is a prime.

It is not a weakly prime, because it can be changed into another prime (82245973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41122956 + 41122957.

It is an arithmetic number, because the mean of its divisors is an integer number (41122957).

Almost surely, 2^82245913 is an apocalyptic number.

It is an amenable number.

82245913 is a deficient number, since it is larger than the sum of its proper divisors (1).

82245913 is an equidigital number, since it uses as much as digits as its factorization.

82245913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 82245913 is about 9068.9532472055. The cubic root of 82245913 is about 434.8820096601.

The spelling of 82245913 in words is "eighty-two million, two hundred forty-five thousand, nine hundred thirteen".