5318239 has 2 divisors, whose sum is σ = 5318240. Its totient is φ = 5318238.

The previous prime is 5318237. The next prime is 5318251. The reversal of 5318239 is 9328135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5318239 - 2¹ = 5318237 is a prime.

It is a super-2 number, since 2×5318239² = 56567332122242, which contains 22 as substring.

Together with 5318237, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₃₆₉₀₇₆ and since 5318239 and 369076 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5318239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5318237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2659119 + 2659120.

It is an arithmetic number, because the mean of its divisors is an integer number (2659120).

Almost surely, 2^5318239 is an apocalyptic number.

5318239 is a deficient number, since it is larger than the sum of its proper divisors (1).

5318239 is an equidigital number, since it uses as much as digits as its factorization.

5318239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 5318239 is about 2306.1307421740. The cubic root of 5318239 is about 174.5511107716.

The spelling of 5318239 in words is "five million, three hundred eighteen thousand, two hundred thirty-nine".