200513491 has 2 divisors, whose sum is σ = 200513492. Its totient is φ = 200513490.

The previous prime is 200513483. The next prime is 200513557. The reversal of 200513491 is 194315002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200513491 - 2³ = 200513483 is a prime.

It is not a weakly prime, because it can be changed into another prime (200513431) 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, 100256745 + 100256746.

It is an arithmetic number, because the mean of its divisors is an integer number (100256746).

Almost surely, 2^200513491 is an apocalyptic number.

200513491 is a deficient number, since it is larger than the sum of its proper divisors (1).

200513491 is an equidigital number, since it uses as much as digits as its factorization.

200513491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 200513491 is about 14160.2786342642. The cubic root of 200513491 is about 585.3036055252.

Adding to 200513491 its reverse (194315002), we get a palindrome (394828493).

The spelling of 200513491 in words is "two hundred million, five hundred thirteen thousand, four hundred ninety-one".