40982917 has 2 divisors, whose sum is σ = 40982918. Its totient is φ = 40982916.

The previous prime is 40982861. The next prime is 40982923. The reversal of 40982917 is 71928904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20921476 + 20061441 = 4574^2 + 4479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40982917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40982917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40988917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20491458 + 20491459.

It is an arithmetic number, because the mean of its divisors is an integer number (20491459).

Almost surely, 2^40982917 is an apocalyptic number.

It is an amenable number.

40982917 is a deficient number, since it is larger than the sum of its proper divisors (1).

40982917 is an equidigital number, since it uses as much as digits as its factorization.

40982917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 40982917 is about 6401.7901402655. The cubic root of 40982917 is about 344.7738264137.

The spelling of 40982917 in words is "forty million, nine hundred eighty-two thousand, nine hundred seventeen".