5131284 has 24 divisors (see below), whose sum is σ = 12085920. Its totient is φ = 1694304.

The previous prime is 5131283. The next prime is 5131307. The reversal of 5131284 is 4821315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131283) 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, 654 + ... + 3269.

It is an arithmetic number, because the mean of its divisors is an integer number (503580).

Almost surely, 2^5131284 is an apocalyptic number.

It is an amenable number.

5131284 is an abundant number, since it is smaller than the sum of its proper divisors (6954636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5131284 is a wasteful number, since it uses less digits than its factorization.

5131284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039 (or 4037 counting only the distinct ones).

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

The square root of 5131284 is about 2265.2337627715. The cubic root of 5131284 is about 172.4813002204.

Adding to 5131284 its reverse (4821315), we get a palindrome (9952599).

The spelling of 5131284 in words is "five million, one hundred thirty-one thousand, two hundred eighty-four".