402002683 has 2 divisors, whose sum is σ = 402002684. Its totient is φ = 402002682.

The previous prime is 402002681. The next prime is 402002687. The reversal of 402002683 is 386200204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402002683 - 2¹ = 402002681 is a prime.

Together with 402002681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (402002681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201001341 + 201001342.

It is an arithmetic number, because the mean of its divisors is an integer number (201001342).

Almost surely, 2^402002683 is an apocalyptic number.

402002683 is a deficient number, since it is larger than the sum of its proper divisors (1).

402002683 is an equidigital number, since it uses as much as digits as its factorization.

402002683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 402002683 is about 20050.0045635905. The cubic root of 402002683 is about 738.0339111138.

Adding to 402002683 its reverse (386200204), we get a palindrome (788202887).

The spelling of 402002683 in words is "four hundred two million, two thousand, six hundred eighty-three".