5143240309 has 2 divisors, whose sum is σ = 5143240310. Its totient is φ = 5143240308.

The previous prime is 5143240279. The next prime is 5143240337. The reversal of 5143240309 is 9030423415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5141607025 + 1633284 = 71705^2 + 1278^2 .

It is a cyclic number.

It is not a de Polignac number, because 5143240309 - 2⁷ = 5143240181 is a prime.

It is a super-2 number, since 2×5143240309² = 52905841752244830962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5143240909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571620154 + 2571620155.

It is an arithmetic number, because the mean of its divisors is an integer number (2571620155).

Almost surely, 2^5143240309 is an apocalyptic number.

It is an amenable number.

5143240309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5143240309 is an equidigital number, since it uses as much as digits as its factorization.

5143240309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 5143240309 is about 71716.3880085995. The cubic root of 5143240309 is about 1726.1516145689.

The spelling of 5143240309 in words is "five billion, one hundred forty-three million, two hundred forty thousand, three hundred nine".