5149543 has 4 divisors (see below), whose sum is σ = 5885200. Its totient is φ = 4413888.

The previous prime is 5149537. The next prime is 5149567. The reversal of 5149543 is 3459415.

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-5149543 is a prime.

It is an Ulam number.

It is a Duffinian number.

5149543 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5149583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367818 + ... + 367831.

It is an arithmetic number, because the mean of its divisors is an integer number (1471300).

Almost surely, 2^5149543 is an apocalyptic number.

5149543 is a deficient number, since it is larger than the sum of its proper divisors (735657).

5149543 is an equidigital number, since it uses as much as digits as its factorization.

5149543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735656.

The product of its digits is 10800, while the sum is 31.

The square root of 5149543 is about 2269.2604522179. The cubic root of 5149543 is about 172.6856420530.

It can be divided in two parts, 51 and 49543, that added together give a palindrome (49594).

The spelling of 5149543 in words is "five million, one hundred forty-nine thousand, five hundred forty-three".