245233 has 4 divisors (see below), whose sum is σ = 258160. Its totient is φ = 232308.

The previous prime is 245209. The next prime is 245251. The reversal of 245233 is 332542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245233 - 2⁹ = 244721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 12907 = 245233 / (2 + 4 + 5 + 2 + 3 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245233.

It is not an unprimeable number, because it can be changed into a prime (245033) 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 3 ways as a sum of consecutive naturals, for example, 6435 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (64540).

2²⁴⁵²³³ is an apocalyptic number.

It is an amenable number.

245233 is a deficient number, since it is larger than the sum of its proper divisors (12927).

245233 is a wasteful number, since it uses less digits than its factorization.

245233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12926.

The product of its digits is 720, while the sum is 19.

The square root of 245233 is about 495.2100564407. The cubic root of 245233 is about 62.5930773170.

Adding to 245233 its reverse (332542), we get a palindrome (577775).

It can be divided in two parts, 2452 and 33, that added together give a triangular number (2485 = T₇₀).

The spelling of 245233 in words is "two hundred forty-five thousand, two hundred thirty-three".