245993 has 12 divisors (see below), whose sum is σ = 287280. Its totient is φ = 209880.

The previous prime is 245989. The next prime is 246011. The reversal of 245993 is 399542.

245993 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 245993 - 2² = 245989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245963) 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, 2246 + ... + 2352.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2²⁴⁵⁹⁹³ is an apocalyptic number.

It is an amenable number.

245993 is a deficient number, since it is larger than the sum of its proper divisors (41287).

245993 is a wasteful number, since it uses less digits than its factorization.

245993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 137 counting only the distinct ones).

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

The square root of 245993 is about 495.9768139742. The cubic root of 245993 is about 62.6576712354.

It can be divided in two parts, 2459 and 93, that added together give a palindrome (2552).

The spelling of 245993 in words is "two hundred forty-five thousand, nine hundred ninety-three".