402205343 has 2 divisors, whose sum is σ = 402205344. Its totient is φ = 402205342.

The previous prime is 402205333. The next prime is 402205361. The reversal of 402205343 is 343502204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402205343 - 2²² = 398011039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402205333) 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, 201102671 + 201102672.

It is an arithmetic number, because the mean of its divisors is an integer number (201102672).

Almost surely, 2^402205343 is an apocalyptic number.

402205343 is a deficient number, since it is larger than the sum of its proper divisors (1).

402205343 is an equidigital number, since it uses as much as digits as its factorization.

402205343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 402205343 is about 20055.0577909913. The cubic root of 402205343 is about 738.1579109706.

Adding to 402205343 its reverse (343502204), we get a palindrome (745707547).

The spelling of 402205343 in words is "four hundred two million, two hundred five thousand, three hundred forty-three".