82906613 has 2 divisors, whose sum is σ = 82906614. Its totient is φ = 82906612.

The previous prime is 82906609. The next prime is 82906661. The reversal of 82906613 is 31660928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82119844 + 786769 = 9062^2 + 887^2 .

It is a cyclic number.

It is not a de Polignac number, because 82906613 - 2² = 82906609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82906673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41453306 + 41453307.

It is an arithmetic number, because the mean of its divisors is an integer number (41453307).

Almost surely, 2^82906613 is an apocalyptic number.

It is an amenable number.

82906613 is a deficient number, since it is larger than the sum of its proper divisors (1).

82906613 is an equidigital number, since it uses as much as digits as its factorization.

82906613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 82906613 is about 9105.3068591893. The cubic root of 82906613 is about 436.0434070775.

The spelling of 82906613 in words is "eighty-two million, nine hundred six thousand, six hundred thirteen".