682565071 has 2 divisors, whose sum is σ = 682565072. Its totient is φ = 682565070.

The previous prime is 682565069. The next prime is 682565131. The reversal of 682565071 is 170565286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 682565071 - 2¹ = 682565069 is a prime.

It is a super-2 number, since 2×682565071² = 931790152298470082, which contains 22 as substring.

Together with 682565069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682565371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341282535 + 341282536.

It is an arithmetic number, because the mean of its divisors is an integer number (341282536).

Almost surely, 2^682565071 is an apocalyptic number.

682565071 is a deficient number, since it is larger than the sum of its proper divisors (1).

682565071 is an equidigital number, since it uses as much as digits as its factorization.

682565071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 682565071 is about 26125.9463177891. The cubic root of 682565071 is about 880.4702509887.

The spelling of 682565071 in words is "six hundred eighty-two million, five hundred sixty-five thousand, seventy-one".