5281143 has 8 divisors (see below), whose sum is σ = 8047488. Its totient is φ = 3017784.

The previous prime is 5281139. The next prime is 5281147. The reversal of 5281143 is 3411825.

It is an interprime number because it is at equal distance from previous prime (5281139) and next prime (5281147).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5281143 - 2² = 5281139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125721 + ... + 125762.

It is an arithmetic number, because the mean of its divisors is an integer number (1005936).

Almost surely, 2^5281143 is an apocalyptic number.

5281143 is a deficient number, since it is larger than the sum of its proper divisors (2766345).

5281143 is a wasteful number, since it uses less digits than its factorization.

5281143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251493.

The product of its digits is 960, while the sum is 24.

The square root of 5281143 is about 2298.0737586074. The cubic root of 5281143 is about 174.1443181059.

Adding to 5281143 its reverse (3411825), we get a palindrome (8692968).

The spelling of 5281143 in words is "five million, two hundred eighty-one thousand, one hundred forty-three".