5251331 has 2 divisors, whose sum is σ = 5251332. Its totient is φ = 5251330.

The previous prime is 5251273. The next prime is 5251333. The reversal of 5251331 is 1331525.

5251331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5251331 is a prime.

It is a super-2 number, since 2×5251331² = 55152954543122, which contains 22 as substring.

Together with 5251333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5251333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625665 + 2625666.

It is an arithmetic number, because the mean of its divisors is an integer number (2625666).

Almost surely, 2^5251331 is an apocalyptic number.

5251331 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251331 is an equidigital number, since it uses as much as digits as its factorization.

5251331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450, while the sum is 20.

The square root of 5251331 is about 2291.5782770833. The cubic root of 5251331 is about 173.8160185952.

Adding to 5251331 its reverse (1331525), we get a palindrome (6582856).

The spelling of 5251331 in words is "five million, two hundred fifty-one thousand, three hundred thirty-one".