40961117 has 2 divisors, whose sum is σ = 40961118. Its totient is φ = 40961116.

The previous prime is 40961113. The next prime is 40961149. The reversal of 40961117 is 71116904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40018276 + 942841 = 6326^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 40961117 - 2² = 40961113 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40961117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40961113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20480558 + 20480559.

It is an arithmetic number, because the mean of its divisors is an integer number (20480559).

Almost surely, 2^40961117 is an apocalyptic number.

It is an amenable number.

40961117 is a deficient number, since it is larger than the sum of its proper divisors (1).

40961117 is an equidigital number, since it uses as much as digits as its factorization.

40961117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 40961117 is about 6400.0872650301. The cubic root of 40961117 is about 344.7126838448.

The spelling of 40961117 in words is "forty million, nine hundred sixty-one thousand, one hundred seventeen".