200540254 has 4 divisors (see below), whose sum is σ = 300810384. Its totient is φ = 100270126.

The previous prime is 200540251. The next prime is 200540293. The reversal of 200540254 is 452045002.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200540251) 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, 50135062 + ... + 50135065.

It is an arithmetic number, because the mean of its divisors is an integer number (75202596).

Almost surely, 2^200540254 is an apocalyptic number.

200540254 is a deficient number, since it is larger than the sum of its proper divisors (100270130).

200540254 is a wasteful number, since it uses less digits than its factorization.

200540254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100270129.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 200540254 is about 14161.2236053245. The cubic root of 200540254 is about 585.3296449759.

Adding to 200540254 its reverse (452045002), we get a palindrome (652585256).

The spelling of 200540254 in words is "two hundred million, five hundred forty thousand, two hundred fifty-four".