5172743 has 4 divisors (see below), whose sum is σ = 5477040. Its totient is φ = 4868448.

The previous prime is 5172733. The next prime is 5172749. The reversal of 5172743 is 3472715.

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 5172743 - 2²⁰ = 4124167 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172749) 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, 152123 + ... + 152156.

It is an arithmetic number, because the mean of its divisors is an integer number (1369260).

Almost surely, 2^5172743 is an apocalyptic number.

5172743 is a deficient number, since it is larger than the sum of its proper divisors (304297).

5172743 is a wasteful number, since it uses less digits than its factorization.

5172743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304296.

The product of its digits is 5880, while the sum is 29.

The square root of 5172743 is about 2274.3665052054. The cubic root of 5172743 is about 172.9445844764.

The spelling of 5172743 in words is "five million, one hundred seventy-two thousand, seven hundred forty-three".