682820041 has 4 divisors (see below), whose sum is σ = 695703492. Its totient is φ = 669936592.

The previous prime is 682820029. The next prime is 682820057. The reversal of 682820041 is 140028286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 529184016 + 153636025 = 23004^2 + 12395^2 .

It is a cyclic number.

It is not a de Polignac number, because 682820041 - 2⁷ = 682819913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 682819985 and 682820012.

It is not an unprimeable number, because it can be changed into a prime (682820071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6441646 + ... + 6441751.

It is an arithmetic number, because the mean of its divisors is an integer number (173925873).

Almost surely, 2^682820041 is an apocalyptic number.

It is an amenable number.

682820041 is a deficient number, since it is larger than the sum of its proper divisors (12883451).

682820041 is a wasteful number, since it uses less digits than its factorization.

682820041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12883450.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 682820041 is about 26130.8254940406. The cubic root of 682820041 is about 880.5798696230.

The spelling of 682820041 in words is "six hundred eighty-two million, eight hundred twenty thousand, forty-one".