40713313 has 2 divisors, whose sum is σ = 40713314. Its totient is φ = 40713312.

The previous prime is 40713271. The next prime is 40713319. The reversal of 40713313 is 31331704.

It is a happy number.

40713313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35904064 + 4809249 = 5992^2 + 2193^2 .

It is a cyclic number.

It is not a de Polignac number, because 40713313 - 2²¹ = 38616161 is a prime.

It is not a weakly prime, because it can be changed into another prime (40713319) 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, 20356656 + 20356657.

It is an arithmetic number, because the mean of its divisors is an integer number (20356657).

Almost surely, 2^40713313 is an apocalyptic number.

It is an amenable number.

40713313 is a deficient number, since it is larger than the sum of its proper divisors (1).

40713313 is an equidigital number, since it uses as much as digits as its factorization.

40713313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 40713313 is about 6380.6984727379. The cubic root of 40713313 is about 344.0161369075.

The spelling of 40713313 in words is "forty million, seven hundred thirteen thousand, three hundred thirteen".