682548891 has 4 divisors (see below), whose sum is σ = 910065192. Its totient is φ = 455032592.

The previous prime is 682548887. The next prime is 682548931. The reversal of 682548891 is 198845286.

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

It is a cyclic number.

It is not a de Polignac number, because 682548891 - 2² = 682548887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (682548091) 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, 113758146 + ... + 113758151.

It is an arithmetic number, because the mean of its divisors is an integer number (227516298).

Almost surely, 2^682548891 is an apocalyptic number.

682548891 is a deficient number, since it is larger than the sum of its proper divisors (227516301).

682548891 is a wasteful number, since it uses less digits than its factorization.

682548891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227516300.

The product of its digits is 1105920, while the sum is 51.

The square root of 682548891 is about 26125.6366620988. The cubic root of 682548891 is about 880.4632938395.

The spelling of 682548891 in words is "six hundred eighty-two million, five hundred forty-eight thousand, eight hundred ninety-one".