5133431 has 4 divisors (see below), whose sum is σ = 5191200. Its totient is φ = 5075664.

The previous prime is 5133407. The next prime is 5133437. The reversal of 5133431 is 1343315.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5133431 is a prime.

It is a super-4 number, since 4×5133431⁴ (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5133437) 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, 28751 + ... + 28928.

It is an arithmetic number, because the mean of its divisors is an integer number (1297800).

Almost surely, 2^5133431 is an apocalyptic number.

5133431 is a deficient number, since it is larger than the sum of its proper divisors (57769).

5133431 is an equidigital number, since it uses as much as digits as its factorization.

5133431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57768.

The product of its digits is 540, while the sum is 20.

The square root of 5133431 is about 2265.7076157351. The cubic root of 5133431 is about 172.5053530510.

Adding to 5133431 its reverse (1343315), we get a palindrome (6476746).

The spelling of 5133431 in words is "five million, one hundred thirty-three thousand, four hundred thirty-one".