551034203 has 2 divisors, whose sum is σ = 551034204. Its totient is φ = 551034202.

The previous prime is 551034193. The next prime is 551034247. The reversal of 551034203 is 302430155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551034203 - 2¹⁰ = 551033179 is a prime.

It is not a weakly prime, because it can be changed into another prime (551034283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275517101 + 275517102.

It is an arithmetic number, because the mean of its divisors is an integer number (275517102).

Almost surely, 2^551034203 is an apocalyptic number.

551034203 is a deficient number, since it is larger than the sum of its proper divisors (1).

551034203 is an equidigital number, since it uses as much as digits as its factorization.

551034203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 551034203 is about 23474.1177256995. The cubic root of 551034203 is about 819.8344911845.

Adding to 551034203 its reverse (302430155), we get a palindrome (853464358).

The spelling of 551034203 in words is "five hundred fifty-one million, thirty-four thousand, two hundred three".