5309243 has 2 divisors, whose sum is σ = 5309244. Its totient is φ = 5309242.

The previous prime is 5309207. The next prime is 5309263. The reversal of 5309243 is 3429035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5309243 - 2⁶ = 5309179 is a prime.

It is a super-2 number, since 2×5309243² = 56376122466098, which contains 22 as substring.

It is a Chen prime.

It is equal to p₃₆₈₅₁₃ and since 5309243 and 368513 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (5309263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2654621 + 2654622.

It is an arithmetic number, because the mean of its divisors is an integer number (2654622).

Almost surely, 2^5309243 is an apocalyptic number.

5309243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5309243 is an equidigital number, since it uses as much as digits as its factorization.

5309243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 5309243 is about 2304.1794634967. The cubic root of 5309243 is about 174.4526353169.

It can be divided in two parts, 53092 and 43, that added together give a palindrome (53135).

The spelling of 5309243 in words is "five million, three hundred nine thousand, two hundred forty-three".