682214261 has 2 divisors, whose sum is σ = 682214262. Its totient is φ = 682214260.

The previous prime is 682214257. The next prime is 682214263. The reversal of 682214261 is 162412286.

682214261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 682202161 + 12100 = 26119^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 682214261 - 2² = 682214257 is a prime.

It is a super-2 number, since 2×682214261² = 930832595823552242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 682214263, it forms a pair of twin primes.

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 (682214263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341107130 + 341107131.

It is an arithmetic number, because the mean of its divisors is an integer number (341107131).

Almost surely, 2^682214261 is an apocalyptic number.

It is an amenable number.

682214261 is a deficient number, since it is larger than the sum of its proper divisors (1).

682214261 is an equidigital number, since it uses as much as digits as its factorization.

682214261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 682214261 is about 26119.2316311181. The cubic root of 682214261 is about 880.3193834677.

The spelling of 682214261 in words is "six hundred eighty-two million, two hundred fourteen thousand, two hundred sixty-one".