40052317 has 2 divisors, whose sum is σ = 40052318. Its totient is φ = 40052316.

The previous prime is 40052303. The next prime is 40052339. The reversal of 40052317 is 71325004.

40052317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (40052339) can be obtained adding 40052317 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33051001 + 7001316 = 5749^2 + 2646^2 .

It is a cyclic number.

It is not a de Polignac number, because 40052317 - 2⁷ = 40052189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40052387) 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, 20026158 + 20026159.

It is an arithmetic number, because the mean of its divisors is an integer number (20026159).

Almost surely, 2^40052317 is an apocalyptic number.

It is an amenable number.

40052317 is a deficient number, since it is larger than the sum of its proper divisors (1).

40052317 is an equidigital number, since it uses as much as digits as its factorization.

40052317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 40052317 is about 6328.6899908275. The cubic root of 40052317 is about 342.1442257307.

The spelling of 40052317 in words is "forty million, fifty-two thousand, three hundred seventeen".