200090287 has 2 divisors, whose sum is σ = 200090288. Its totient is φ = 200090286.

The previous prime is 200090269. The next prime is 200090333. The reversal of 200090287 is 782090002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200090287 is a prime.

It is a super-2 number, since 2×200090287² = 80072245903484738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200090257) 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, 100045143 + 100045144.

It is an arithmetic number, because the mean of its divisors is an integer number (100045144).

Almost surely, 2^200090287 is an apocalyptic number.

200090287 is a deficient number, since it is larger than the sum of its proper divisors (1).

200090287 is an equidigital number, since it uses as much as digits as its factorization.

200090287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 200090287 is about 14145.3273910504. The cubic root of 200090287 is about 584.8915346669.

The spelling of 200090287 in words is "two hundred million, ninety thousand, two hundred eighty-seven".