245966 has 8 divisors (see below), whose sum is σ = 421680. Its totient is φ = 105408.

The previous prime is 245963. The next prime is 245977. The reversal of 245966 is 669542.

245966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 8771 + ... + 8798.

It is an arithmetic number, because the mean of its divisors is an integer number (52710).

2²⁴⁵⁹⁶⁶ is an apocalyptic number.

245966 is a deficient number, since it is larger than the sum of its proper divisors (175714).

245966 is a wasteful number, since it uses less digits than its factorization.

245966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17578.

The product of its digits is 12960, while the sum is 32.

The square root of 245966 is about 495.9495942130. The cubic root of 245966 is about 62.6553787324.

The spelling of 245966 in words is "two hundred forty-five thousand, nine hundred sixty-six".