682697285 has 4 divisors (see below), whose sum is σ = 819236748. Its totient is φ = 546157824.

The previous prime is 682697269. The next prime is 682697291. The reversal of 682697285 is 582796286.

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 421357729 + 261339556 = 20527^2 + 16166^2 .

It is a cyclic number.

It is not a de Polignac number, because 682697285 - 2⁴ = 682697269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68269724 + ... + 68269733.

It is an arithmetic number, because the mean of its divisors is an integer number (204809187).

Almost surely, 2^682697285 is an apocalyptic number.

It is an amenable number.

682697285 is a deficient number, since it is larger than the sum of its proper divisors (136539463).

682697285 is a wasteful number, since it uses less digits than its factorization.

682697285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136539462.

The product of its digits is 2903040, while the sum is 53.

The square root of 682697285 is about 26128.4765150975. The cubic root of 682697285 is about 880.5270968404.

Subtracting from 682697285 its reverse (582796286), we obtain a palindrome (99900999).

The spelling of 682697285 in words is "six hundred eighty-two million, six hundred ninety-seven thousand, two hundred eighty-five".