5187142543 has 4 divisors (see below), whose sum is σ = 5658700968. Its totient is φ = 4715584120.

The previous prime is 5187142537. The next prime is 5187142619. The reversal of 5187142543 is 3452417815.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5187142543 is a prime.

It is a super-2 number, since 2×5187142543² = 53812895522801013698, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5187142496 and 5187142505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187142843) 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, 235779196 + ... + 235779217.

It is an arithmetic number, because the mean of its divisors is an integer number (1414675242).

Almost surely, 2^5187142543 is an apocalyptic number.

5187142543 is a deficient number, since it is larger than the sum of its proper divisors (471558425).

5187142543 is a wasteful number, since it uses less digits than its factorization.

5187142543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471558424.

The product of its digits is 134400, while the sum is 40.

The square root of 5187142543 is about 72021.8199089693. The cubic root of 5187142543 is about 1731.0491306471.

The spelling of 5187142543 in words is "five billion, one hundred eighty-seven million, one hundred forty-two thousand, five hundred forty-three".