200540493 has 24 divisors (see below), whose sum is σ = 298242048. Its totient is φ = 129784032.

The previous prime is 200540491. The next prime is 200540503. The reversal of 200540493 is 394045002.

It is not a de Polignac number, because 200540493 - 2¹ = 200540491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200540491) 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 in 23 ways as a sum of consecutive naturals, for example, 51855 + ... + 55587.

It is an arithmetic number, because the mean of its divisors is an integer number (12426752).

Almost surely, 2^200540493 is an apocalyptic number.

It is an amenable number.

200540493 is a deficient number, since it is larger than the sum of its proper divisors (97701555).

200540493 is a wasteful number, since it uses less digits than its factorization.

200540493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913 (or 3910 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 200540493 is about 14161.2320438583. The cubic root of 200540493 is about 585.3298775040.

Adding to 200540493 its reverse (394045002), we get a palindrome (594585495).

The spelling of 200540493 in words is "two hundred million, five hundred forty thousand, four hundred ninety-three".