682551489 has 4 divisors (see below), whose sum is σ = 910068656. Its totient is φ = 455034324.

The previous prime is 682551449. The next prime is 682551491. The reversal of 682551489 is 984155286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 682551489 - 2⁹ = 682550977 is a prime.

It is a super-2 number, since 2×682551489² = 931753070272234242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (682551449) 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, 113758579 + ... + 113758584.

It is an arithmetic number, because the mean of its divisors is an integer number (227517164).

Almost surely, 2^682551489 is an apocalyptic number.

It is an amenable number.

682551489 is a deficient number, since it is larger than the sum of its proper divisors (227517167).

682551489 is a wasteful number, since it uses less digits than its factorization.

682551489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227517166.

The product of its digits is 691200, while the sum is 48.

The square root of 682551489 is about 26125.6863833278. The cubic root of 682551489 is about 880.4644109466.

The spelling of 682551489 in words is "six hundred eighty-two million, five hundred fifty-one thousand, four hundred eighty-nine".