200493851 has 4 divisors (see below), whose sum is σ = 201369600. Its totient is φ = 199618104.

The previous prime is 200493817. The next prime is 200493857. The reversal of 200493851 is 158394002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200493851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200493857) 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 in 3 ways as a sum of consecutive naturals, for example, 437531 + ... + 437988.

It is an arithmetic number, because the mean of its divisors is an integer number (50342400).

Almost surely, 2^200493851 is an apocalyptic number.

200493851 is a deficient number, since it is larger than the sum of its proper divisors (875749).

200493851 is an equidigital number, since it uses as much as digits as its factorization.

200493851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875748.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 200493851 is about 14159.5851281032. The cubic root of 200493851 is about 585.2844950270.

The spelling of 200493851 in words is "two hundred million, four hundred ninety-three thousand, eight hundred fifty-one".