5143431 has 4 divisors (see below), whose sum is σ = 6857912. Its totient is φ = 3428952.

The previous prime is 5143429. The next prime is 5143447. The reversal of 5143431 is 1343415.

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

It is not a de Polignac number, because 5143431 - 2¹ = 5143429 is a prime.

It is a super-2 number, since 2×5143431² = 52909764903522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5143398 and 5143407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857236 + ... + 857241.

It is an arithmetic number, because the mean of its divisors is an integer number (1714478).

Almost surely, 2^5143431 is an apocalyptic number.

5143431 is a deficient number, since it is larger than the sum of its proper divisors (1714481).

5143431 is a wasteful number, since it uses less digits than its factorization.

5143431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714480.

The product of its digits is 720, while the sum is 21.

The square root of 5143431 is about 2267.9133581334. The cubic root of 5143431 is about 172.6172947262.

Adding to 5143431 its reverse (1343415), we get a palindrome (6486846).

The spelling of 5143431 in words is "five million, one hundred forty-three thousand, four hundred thirty-one".