40359317 has 2 divisors, whose sum is σ = 40359318. Its totient is φ = 40359316.

The previous prime is 40359299. The next prime is 40359349. The reversal of 40359317 is 71395304.

It is a happy number.

It is an a-pointer prime, because the next prime (40359349) can be obtained adding 40359317 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27102436 + 13256881 = 5206^2 + 3641^2 .

It is a cyclic number.

It is not a de Polignac number, because 40359317 - 2⁸ = 40359061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40359367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20179658 + 20179659.

It is an arithmetic number, because the mean of its divisors is an integer number (20179659).

Almost surely, 2^40359317 is an apocalyptic number.

It is an amenable number.

40359317 is a deficient number, since it is larger than the sum of its proper divisors (1).

40359317 is an equidigital number, since it uses as much as digits as its factorization.

40359317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 40359317 is about 6352.8983149426. The cubic root of 40359317 is about 343.0161773034.

The spelling of 40359317 in words is "forty million, three hundred fifty-nine thousand, three hundred seventeen".