827213 has 2 divisors, whose sum is σ = 827214. Its totient is φ = 827212.

The previous prime is 827161. The next prime is 827227. The reversal of 827213 is 312728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 779689 + 47524 = 883^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 827213 - 2⁸ = 826957 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413606 + 413607.

It is an arithmetic number, because the mean of its divisors is an integer number (413607).

2⁸²⁷²¹³ is an apocalyptic number.

It is an amenable number.

827213 is a deficient number, since it is larger than the sum of its proper divisors (1).

827213 is an equidigital number, since it uses as much as digits as its factorization.

827213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 827213 is about 909.5125067859. The cubic root of 827213 is about 93.8726584121.

The spelling of 827213 in words is "eight hundred twenty-seven thousand, two hundred thirteen".