82696213 has 2 divisors, whose sum is σ = 82696214. Its totient is φ = 82696212.

The previous prime is 82696193. The next prime is 82696223. The reversal of 82696213 is 31269628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66879684 + 15816529 = 8178^2 + 3977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82696213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82696223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41348106 + 41348107.

It is an arithmetic number, because the mean of its divisors is an integer number (41348107).

Almost surely, 2^82696213 is an apocalyptic number.

It is an amenable number.

82696213 is a deficient number, since it is larger than the sum of its proper divisors (1).

82696213 is an equidigital number, since it uses as much as digits as its factorization.

82696213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 82696213 is about 9093.7458178685. The cubic root of 82696213 is about 435.6742316567.

The spelling of 82696213 in words is "eighty-two million, six hundred ninety-six thousand, two hundred thirteen".