5243508187 has 4 divisors (see below), whose sum is σ = 5244078400. Its totient is φ = 5242937976.

The previous prime is 5243508173. The next prime is 5243508199. The reversal of 5243508187 is 7818053425.

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 5243508187 - 2¹¹ = 5243506139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5243508157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271083 + ... + 289780.

It is an arithmetic number, because the mean of its divisors is an integer number (1311019600).

Almost surely, 2^5243508187 is an apocalyptic number.

5243508187 is a deficient number, since it is larger than the sum of its proper divisors (570213).

5243508187 is an equidigital number, since it uses as much as digits as its factorization.

5243508187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570212.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 5243508187 is about 72412.0721081782. The cubic root of 5243508187 is about 1737.2966550635.

The spelling of 5243508187 in words is "five billion, two hundred forty-three million, five hundred eight thousand, one hundred eighty-seven".