682491827 has 2 divisors, whose sum is σ = 682491828. Its totient is φ = 682491826.

The previous prime is 682491787. The next prime is 682491833. The reversal of 682491827 is 728194286.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 682491827 - 2¹⁰ = 682490803 is a prime.

It is not a weakly prime, because it can be changed into another prime (682491847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341245913 + 341245914.

It is an arithmetic number, because the mean of its divisors is an integer number (341245914).

Almost surely, 2^682491827 is an apocalyptic number.

682491827 is a deficient number, since it is larger than the sum of its proper divisors (1).

682491827 is an equidigital number, since it uses as much as digits as its factorization.

682491827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 47.

The square root of 682491827 is about 26124.5445319148. The cubic root of 682491827 is about 880.4387563261.

The spelling of 682491827 in words is "six hundred eighty-two million, four hundred ninety-one thousand, eight hundred twenty-seven".