10042609 has 2 divisors, whose sum is σ = 10042610. Its totient is φ = 10042608.

The previous prime is 10042601. The next prime is 10042619. The reversal of 10042609 is 90624001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6969600 + 3073009 = 2640^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 10042609 - 2³ = 10042601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10042609.

It is not a weakly prime, because it can be changed into another prime (10042601) 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, 5021304 + 5021305.

It is an arithmetic number, because the mean of its divisors is an integer number (5021305).

Almost surely, 2^10042609 is an apocalyptic number.

It is an amenable number.

10042609 is a deficient number, since it is larger than the sum of its proper divisors (1).

10042609 is an equidigital number, since it uses as much as digits as its factorization.

10042609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 10042609 is about 3169.0075733579. The cubic root of 10042609 is about 215.7490297843.

The spelling of 10042609 in words is "ten million, forty-two thousand, six hundred nine".