200165393 has 2 divisors, whose sum is σ = 200165394. Its totient is φ = 200165392.

The previous prime is 200165377. The next prime is 200165477. The reversal of 200165393 is 393561002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151486864 + 48678529 = 12308^2 + 6977^2 .

It is a cyclic number.

It is not a de Polignac number, because 200165393 - 2⁴ = 200165377 is a prime.

It is not a weakly prime, because it can be changed into another prime (200165333) 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 as a sum of consecutive naturals, namely, 100082696 + 100082697.

It is an arithmetic number, because the mean of its divisors is an integer number (100082697).

Almost surely, 2^200165393 is an apocalyptic number.

It is an amenable number.

200165393 is a deficient number, since it is larger than the sum of its proper divisors (1).

200165393 is an equidigital number, since it uses as much as digits as its factorization.

200165393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 200165393 is about 14147.9819408989. The cubic root of 200165393 is about 584.9647072482.

The spelling of 200165393 in words is "two hundred million, one hundred sixty-five thousand, three hundred ninety-three".