682651 has 12 divisors (see below), whose sum is σ = 755904. Its totient is φ = 615600.

The previous prime is 682637. The next prime is 682657. The reversal of 682651 is 156286.

It is not a de Polignac number, because 682651 - 2¹⁹ = 158363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (682657) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11161 + ... + 11221.

It is an arithmetic number, because the mean of its divisors is an integer number (62992).

2⁶⁸²⁶⁵¹ is an apocalyptic number.

682651 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

682651 is the 370-th centered decagonal number.

682651 is a deficient number, since it is larger than the sum of its proper divisors (73253).

682651 is a wasteful number, since it uses less digits than its factorization.

682651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 111 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 682651 is about 826.2269663960. The cubic root of 682651 is about 88.0507197285.

The spelling of 682651 in words is "six hundred eighty-two thousand, six hundred fifty-one".