635339 has 2 divisors, whose sum is σ = 635340. Its totient is φ = 635338.

The previous prime is 635333. The next prime is 635347. The reversal of 635339 is 933536.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-635339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (635333) 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, 317669 + 317670.

It is an arithmetic number, because the mean of its divisors is an integer number (317670).

2⁶³⁵³³⁹ is an apocalyptic number.

635339 is a deficient number, since it is larger than the sum of its proper divisors (1).

635339 is an equidigital number, since it uses as much as digits as its factorization.

635339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 29.

The square root of 635339 is about 797.0815516621. The cubic root of 635339 is about 85.9676730853.

The spelling of 635339 in words is "six hundred thirty-five thousand, three hundred thirty-nine".