40086313 has 2 divisors, whose sum is σ = 40086314. Its totient is φ = 40086312.

The previous prime is 40086269. The next prime is 40086331. The reversal of 40086313 is 31368004.

40086313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (40086331) 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., 39400729 + 685584 = 6277^2 + 828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40086313 is a prime.

It is not a weakly prime, because it can be changed into another prime (40086353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20043156 + 20043157.

It is an arithmetic number, because the mean of its divisors is an integer number (20043157).

Almost surely, 2^40086313 is an apocalyptic number.

It is an amenable number.

40086313 is a deficient number, since it is larger than the sum of its proper divisors (1).

40086313 is an equidigital number, since it uses as much as digits as its factorization.

40086313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40086313 is about 6331.3752850388. The cubic root of 40086313 is about 342.2410012035.

The spelling of 40086313 in words is "forty million, eighty-six thousand, three hundred thirteen".