402064211 has 2 divisors, whose sum is σ = 402064212. Its totient is φ = 402064210.

The previous prime is 402064199. The next prime is 402064213. The reversal of 402064211 is 112460204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402064211 is a prime.

Together with 402064213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402064213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201032105 + 201032106.

It is an arithmetic number, because the mean of its divisors is an integer number (201032106).

Almost surely, 2^402064211 is an apocalyptic number.

402064211 is a deficient number, since it is larger than the sum of its proper divisors (1).

402064211 is an equidigital number, since it uses as much as digits as its factorization.

402064211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 402064211 is about 20051.5388686255. The cubic root of 402064211 is about 738.0715621344.

The spelling of 402064211 in words is "four hundred two million, sixty-four thousand, two hundred eleven".