245939 has 12 divisors (see below), whose sum is σ = 279984. Its totient is φ = 215424.

The previous prime is 245911. The next prime is 245941. The reversal of 245939 is 939542.

245939 is nontrivially palindromic in base 12.

245939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245939 - 2⁸ = 245683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6629 + ... + 6665.

It is an arithmetic number, because the mean of its divisors is an integer number (23332).

2²⁴⁵⁹³⁹ is an apocalyptic number.

245939 is a deficient number, since it is larger than the sum of its proper divisors (34045).

245939 is a wasteful number, since it uses less digits than its factorization.

245939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 77 counting only the distinct ones).

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

The square root of 245939 is about 495.9223729577. The cubic root of 245939 is about 62.6530860617.

The spelling of 245939 in words is "two hundred forty-five thousand, nine hundred thirty-nine".