82027213 has 2 divisors, whose sum is σ = 82027214. Its totient is φ = 82027212.

The previous prime is 82027189. The next prime is 82027217. The reversal of 82027213 is 31272028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51523684 + 30503529 = 7178^2 + 5523^2 .

It is a cyclic number.

It is not a de Polignac number, because 82027213 - 2⁵ = 82027181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82027217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41013606 + 41013607.

It is an arithmetic number, because the mean of its divisors is an integer number (41013607).

Almost surely, 2^82027213 is an apocalyptic number.

It is an amenable number.

82027213 is a deficient number, since it is larger than the sum of its proper divisors (1).

82027213 is an equidigital number, since it uses as much as digits as its factorization.

82027213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 82027213 is about 9056.8876000533. The cubic root of 82027213 is about 434.4962027633.

The spelling of 82027213 in words is "eighty-two million, twenty-seven thousand, two hundred thirteen".