200981387 has 2 divisors, whose sum is σ = 200981388. Its totient is φ = 200981386.

The previous prime is 200981371. The next prime is 200981393. The reversal of 200981387 is 783189002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200981387 - 2⁴ = 200981371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200981387.

It is not a weakly prime, because it can be changed into another prime (200981357) 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, 100490693 + 100490694.

It is an arithmetic number, because the mean of its divisors is an integer number (100490694).

Almost surely, 2^200981387 is an apocalyptic number.

200981387 is a deficient number, since it is larger than the sum of its proper divisors (1).

200981387 is an equidigital number, since it uses as much as digits as its factorization.

200981387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 200981387 is about 14176.7904336630. The cubic root of 200981387 is about 585.7585183473.

The spelling of 200981387 in words is "two hundred million, nine hundred eighty-one thousand, three hundred eighty-seven".