43536313 has 2 divisors, whose sum is σ = 43536314. Its totient is φ = 43536312.

The previous prime is 43536293. The next prime is 43536331. The reversal of 43536313 is 31363534.

Together with next prime (43536331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42471289 + 1065024 = 6517^2 + 1032^2 .

It is a cyclic number.

It is not a de Polignac number, because 43536313 - 2⁹ = 43535801 is a prime.

It is not a weakly prime, because it can be changed into another prime (43536613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21768156 + 21768157.

It is an arithmetic number, because the mean of its divisors is an integer number (21768157).

Almost surely, 2^43536313 is an apocalyptic number.

It is an amenable number.

43536313 is a deficient number, since it is larger than the sum of its proper divisors (1).

43536313 is an equidigital number, since it uses as much as digits as its factorization.

43536313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 28.

The square root of 43536313 is about 6598.2052862881. The cubic root of 43536313 is about 351.7903177202.

Adding to 43536313 its reverse (31363534), we get a palindrome (74899847).

The spelling of 43536313 in words is "forty-three million, five hundred thirty-six thousand, three hundred thirteen".