245847 has 16 divisors (see below), whose sum is σ = 391680. Its totient is φ = 134112.

The previous prime is 245821. The next prime is 245849. The reversal of 245847 is 748542.

245847 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 245847 - 2⁶ = 245783 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229 + ... + 737.

It is an arithmetic number, because the mean of its divisors is an integer number (24480).

2²⁴⁵⁸⁴⁷ is an apocalyptic number.

245847 is a deficient number, since it is larger than the sum of its proper divisors (145833).

245847 is a wasteful number, since it uses less digits than its factorization.

245847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its digits is 8960, while the sum is 30.

The square root of 245847 is about 495.8296078291. The cubic root of 245847 is about 62.6452727384.

The spelling of 245847 in words is "two hundred forty-five thousand, eight hundred forty-seven".