245667 has 8 divisors (see below), whose sum is σ = 346896. Its totient is φ = 154112.

The previous prime is 245653. The next prime is 245671. The reversal of 245667 is 766542.

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

It is a cyclic number.

It is not a de Polignac number, because 245667 - 2⁸ = 245411 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (245627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2358 + ... + 2459.

It is an arithmetic number, because the mean of its divisors is an integer number (43362).

2²⁴⁵⁶⁶⁷ is an apocalyptic number.

245667 is a deficient number, since it is larger than the sum of its proper divisors (101229).

245667 is a wasteful number, since it uses less digits than its factorization.

245667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837.

The product of its digits is 10080, while the sum is 30.

The square root of 245667 is about 495.6480606237. The cubic root of 245667 is about 62.6299801618.

The spelling of 245667 in words is "two hundred forty-five thousand, six hundred sixty-seven".