5281142 has 4 divisors (see below), whose sum is σ = 7921716. Its totient is φ = 2640570.

The previous prime is 5281139. The next prime is 5281147. The reversal of 5281142 is 2411825.

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

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320284 + ... + 1320287.

It is an arithmetic number, because the mean of its divisors is an integer number (1980429).

Almost surely, 2^5281142 is an apocalyptic number.

5281142 is a deficient number, since it is larger than the sum of its proper divisors (2640574).

5281142 is a wasteful number, since it uses less digits than its factorization.

5281142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640573.

The product of its digits is 640, while the sum is 23.

The square root of 5281142 is about 2298.0735410339. The cubic root of 5281142 is about 174.1443071144.

Adding to 5281142 its reverse (2411825), we get a palindrome (7692967).

The spelling of 5281142 in words is "five million, two hundred eighty-one thousand, one hundred forty-two".