5243520203 has 4 divisors (see below), whose sum is σ = 5412666048. Its totient is φ = 5074374360.

The previous prime is 5243520199. The next prime is 5243520209. The reversal of 5243520203 is 3020253425.

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

It is a cyclic number.

It is not a de Polignac number, because 5243520203 - 2² = 5243520199 is a prime.

It is a super-2 number, since 2×5243520203² = 54989008238538322418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5243520209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84572876 + ... + 84572937.

It is an arithmetic number, because the mean of its divisors is an integer number (1353166512).

Almost surely, 2^5243520203 is an apocalyptic number.

5243520203 is a deficient number, since it is larger than the sum of its proper divisors (169145845).

5243520203 is a wasteful number, since it uses less digits than its factorization.

5243520203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169145844.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 5243520203 is about 72412.1550777216. The cubic root of 5243520203 is about 1737.2979821229.

Adding to 5243520203 its reverse (3020253425), we get a palindrome (8263773628).

The spelling of 5243520203 in words is "five billion, two hundred forty-three million, five hundred twenty thousand, two hundred three".