682252000021 has 2 divisors, whose sum is σ = 682252000022. Its totient is φ = 682252000020.

The previous prime is 682251999941. The next prime is 682252000103. The reversal of 682252000021 is 120000252286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 584023037796 + 98228962225 = 764214^2 + 313415^2 .

It is a cyclic number.

It is not a de Polignac number, because 682252000021 - 2²¹ = 682249902869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682252010021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341126000010 + 341126000011.

It is an arithmetic number, because the mean of its divisors is an integer number (341126000011).

Almost surely, 2^682252000021 is an apocalyptic number.

It is an amenable number.

682252000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

682252000021 is an equidigital number, since it uses as much as digits as its factorization.

682252000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 682252000021 in words is "six hundred eighty-two billion, two hundred fifty-two million, twenty-one", and thus it is an aban number.