682497557 has 8 divisors (see below), whose sum is σ = 780431232. Its totient is φ = 584672400.

The previous prime is 682497553. The next prime is 682497559. The reversal of 682497557 is 755794286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 682497557 - 2² = 682497553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 682497499 and 682497508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682497553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13169 + ... + 39222.

It is an arithmetic number, because the mean of its divisors is an integer number (97553904).

Almost surely, 2^682497557 is an apocalyptic number.

It is an amenable number.

682497557 is a deficient number, since it is larger than the sum of its proper divisors (97933675).

682497557 is a wasteful number, since it uses less digits than its factorization.

682497557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54259.

The product of its digits is 4233600, while the sum is 53.

The square root of 682497557 is about 26124.6541986684. The cubic root of 682497557 is about 880.4412202872.

The spelling of 682497557 in words is "six hundred eighty-two million, four hundred ninety-seven thousand, five hundred fifty-seven".