200540361 has 16 divisors (see below), whose sum is σ = 305899904. Its totient is φ = 114476544.

The previous prime is 200540357. The next prime is 200540369. The reversal of 200540361 is 163045002.

It is a happy number.

It is not a de Polignac number, because 200540361 - 2² = 200540357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200540369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18585 + ... + 27321.

It is an arithmetic number, because the mean of its divisors is an integer number (19118744).

Almost surely, 2^200540361 is an apocalyptic number.

200540361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200540361 is a deficient number, since it is larger than the sum of its proper divisors (105359543).

200540361 is a wasteful number, since it uses less digits than its factorization.

200540361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 200540361 is about 14161.2273832461. The cubic root of 200540361 is about 585.3297490785.

Adding to 200540361 its reverse (163045002), we get a palindrome (363585363).

The spelling of 200540361 in words is "two hundred million, five hundred forty thousand, three hundred sixty-one".