40717249 has 2 divisors, whose sum is σ = 40717250. Its totient is φ = 40717248.

The previous prime is 40717213. The next prime is 40717297. The reversal of 40717249 is 94271704.

40717249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38526849 + 2190400 = 6207^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 40717249 - 2⁷ = 40717121 is a prime.

It is a super-2 number, since 2×40717249² = 3315788732256002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40717049) 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, 20358624 + 20358625.

It is an arithmetic number, because the mean of its divisors is an integer number (20358625).

Almost surely, 2^40717249 is an apocalyptic number.

It is an amenable number.

40717249 is a deficient number, since it is larger than the sum of its proper divisors (1).

40717249 is an equidigital number, since it uses as much as digits as its factorization.

40717249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 40717249 is about 6381.0068954672. The cubic root of 40717249 is about 344.0272225843.

The spelling of 40717249 in words is "forty million, seven hundred seventeen thousand, two hundred forty-nine".