35942009 has 2 divisors, whose sum is σ = 35942010. Its totient is φ = 35942008.

The previous prime is 35941973. The next prime is 35942021. The reversal of 35942009 is 90024953.

35942009 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., 23551609 + 12390400 = 4853^2 + 3520^2 .

It is a cyclic number.

It is not a de Polignac number, because 35942009 - 2⁸ = 35941753 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (35942099) 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, 17971004 + 17971005.

It is an arithmetic number, because the mean of its divisors is an integer number (17971005).

Almost surely, 2^35942009 is an apocalyptic number.

It is an amenable number.

35942009 is a deficient number, since it is larger than the sum of its proper divisors (1).

35942009 is an equidigital number, since it uses as much as digits as its factorization.

35942009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 35942009 is about 5995.1654689425. The cubic root of 35942009 is about 330.0153313967.

The spelling of 35942009 in words is "thirty-five million, nine hundred forty-two thousand, nine".