40752317 has 2 divisors, whose sum is σ = 40752318. Its totient is φ = 40752316.

The previous prime is 40752307. The next prime is 40752353. The reversal of 40752317 is 71325704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31595641 + 9156676 = 5621^2 + 3026^2 .

It is a cyclic number.

It is not a de Polignac number, because 40752317 - 2⁴ = 40752301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40752317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40752307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20376158 + 20376159.

It is an arithmetic number, because the mean of its divisors is an integer number (20376159).

Almost surely, 2^40752317 is an apocalyptic number.

It is an amenable number.

40752317 is a deficient number, since it is larger than the sum of its proper divisors (1).

40752317 is an equidigital number, since it uses as much as digits as its factorization.

40752317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 40752317 is about 6383.7541462685. The cubic root of 40752317 is about 344.1259594840.

The spelling of 40752317 in words is "forty million, seven hundred fifty-two thousand, three hundred seventeen".