82649293 has 2 divisors, whose sum is σ = 82649294. Its totient is φ = 82649292.

The previous prime is 82649279. The next prime is 82649387. The reversal of 82649293 is 39294628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65318724 + 17330569 = 8082^2 + 4163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82649293 is a prime.

It is equal to p_4814989 and since 82649293 and 4814989 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82649233) 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, 41324646 + 41324647.

It is an arithmetic number, because the mean of its divisors is an integer number (41324647).

Almost surely, 2^82649293 is an apocalyptic number.

It is an amenable number.

82649293 is a deficient number, since it is larger than the sum of its proper divisors (1).

82649293 is an equidigital number, since it uses as much as digits as its factorization.

82649293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 82649293 is about 9091.1656568341. The cubic root of 82649293 is about 435.5918187646.

The spelling of 82649293 in words is "eighty-two million, six hundred forty-nine thousand, two hundred ninety-three".