684613283 has 2 divisors, whose sum is σ = 684613284. Its totient is φ = 684613282.

The previous prime is 684613271. The next prime is 684613297. The reversal of 684613283 is 382316486.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 684613283 - 2¹⁰ = 684612259 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 684613283.

It is not a weakly prime, because it can be changed into another prime (684613213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342306641 + 342306642.

It is an arithmetic number, because the mean of its divisors is an integer number (342306642).

Almost surely, 2^684613283 is an apocalyptic number.

684613283 is a deficient number, since it is larger than the sum of its proper divisors (1).

684613283 is an equidigital number, since it uses as much as digits as its factorization.

684613283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 684613283 is about 26165.1157650793. The cubic root of 684613283 is about 881.3500639993.

The spelling of 684613283 in words is "six hundred eighty-four million, six hundred thirteen thousand, two hundred eighty-three".