40974149 has 2 divisors, whose sum is σ = 40974150. Its totient is φ = 40974148.

The previous prime is 40974119. The next prime is 40974173. The reversal of 40974149 is 94147904.

40974149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35880100 + 5094049 = 5990^2 + 2257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40974149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40974119) 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, 20487074 + 20487075.

It is an arithmetic number, because the mean of its divisors is an integer number (20487075).

Almost surely, 2^40974149 is an apocalyptic number.

It is an amenable number.

40974149 is a deficient number, since it is larger than the sum of its proper divisors (1).

40974149 is an equidigital number, since it uses as much as digits as its factorization.

40974149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 40974149 is about 6401.1052951815. The cubic root of 40974149 is about 344.7492373675.

The spelling of 40974149 in words is "forty million, nine hundred seventy-four thousand, one hundred forty-nine".