40317283 has 2 divisors, whose sum is σ = 40317284. Its totient is φ = 40317282.

The previous prime is 40317271. The next prime is 40317287. The reversal of 40317283 is 38271304.

40317283 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40317283 is a prime.

It is not a weakly prime, because it can be changed into another prime (40317287) 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, 20158641 + 20158642.

It is an arithmetic number, because the mean of its divisors is an integer number (20158642).

Almost surely, 2^40317283 is an apocalyptic number.

40317283 is a deficient number, since it is larger than the sum of its proper divisors (1).

40317283 is an equidigital number, since it uses as much as digits as its factorization.

40317283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 40317283 is about 6349.5891993105. The cubic root of 40317283 is about 342.8970528029.

Adding to 40317283 its reverse (38271304), we get a palindrome (78588587).

The spelling of 40317283 in words is "forty million, three hundred seventeen thousand, two hundred eighty-three".