5243531403 has 32 divisors (see below), whose sum is σ = 8034647040. Its totient is φ = 3008288160.

The previous prime is 5243531401. The next prime is 5243531411. The reversal of 5243531403 is 3041353425.

It is not a de Polignac number, because 5243531403 - 2¹ = 5243531401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5243531401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1092976 + ... + 1097762.

It is an arithmetic number, because the mean of its divisors is an integer number (251082720).

Almost surely, 2^5243531403 is an apocalyptic number.

5243531403 is a deficient number, since it is larger than the sum of its proper divisors (2791115637).

5243531403 is a wasteful number, since it uses less digits than its factorization.

5243531403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 5243531403 is about 72412.2324127630. The cubic root of 5243531403 is about 1737.2992190606.

Adding to 5243531403 its reverse (3041353425), we get a palindrome (8284884828).

It can be divided in two parts, 52435 and 31403, that added together give a palindrome (83838).

The spelling of 5243531403 in words is "five billion, two hundred forty-three million, five hundred thirty-one thousand, four hundred three".