200540387 has 2 divisors, whose sum is σ = 200540388. Its totient is φ = 200540386.

The previous prime is 200540377. The next prime is 200540413. The reversal of 200540387 is 783045002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200540387 - 2⁴ = 200540371 is a prime.

It is not a weakly prime, because it can be changed into another prime (200540357) 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, 100270193 + 100270194.

It is an arithmetic number, because the mean of its divisors is an integer number (100270194).

Almost surely, 2^200540387 is an apocalyptic number.

200540387 is a deficient number, since it is larger than the sum of its proper divisors (1).

200540387 is an equidigital number, since it uses as much as digits as its factorization.

200540387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 200540387 is about 14161.2283012456. The cubic root of 200540387 is about 585.3297743745.

Adding to 200540387 its reverse (783045002), we get a palindrome (983585389).

The spelling of 200540387 in words is "two hundred million, five hundred forty thousand, three hundred eighty-seven".