682361213 has 4 divisors (see below), whose sum is σ = 705890940. Its totient is φ = 658831488.

The previous prime is 682361201. The next prime is 682361227. The reversal of 682361213 is 312163286.

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 308248249 + 374112964 = 17557^2 + 19342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682361213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 682361213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682361233) 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 3 ways as a sum of consecutive naturals, for example, 11764820 + ... + 11764877.

It is an arithmetic number, because the mean of its divisors is an integer number (176472735).

Almost surely, 2^682361213 is an apocalyptic number.

It is an amenable number.

682361213 is a deficient number, since it is larger than the sum of its proper divisors (23529727).

682361213 is a wasteful number, since it uses less digits than its factorization.

682361213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23529726.

The product of its digits is 10368, while the sum is 32.

The square root of 682361213 is about 26122.0445792438. The cubic root of 682361213 is about 880.3825871726.

The spelling of 682361213 in words is "six hundred eighty-two million, three hundred sixty-one thousand, two hundred thirteen".