245541223 has 4 divisors (see below), whose sum is σ = 251251528. Its totient is φ = 239830920.

The previous prime is 245541221. The next prime is 245541239. The reversal of 245541223 is 322145542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245541223 - 2¹ = 245541221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245541191 and 245541200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245541221) 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, 2855088 + ... + 2855173.

It is an arithmetic number, because the mean of its divisors is an integer number (62812882).

Almost surely, 2^245541223 is an apocalyptic number.

245541223 is a deficient number, since it is larger than the sum of its proper divisors (5710305).

245541223 is an equidigital number, since it uses as much as digits as its factorization.

245541223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710304.

The product of its digits is 9600, while the sum is 28.

The square root of 245541223 is about 15669.7550395659. The cubic root of 245541223 is about 626.1928986998.

Adding to 245541223 its reverse (322145542), we get a palindrome (567686765).

The spelling of 245541223 in words is "two hundred forty-five million, five hundred forty-one thousand, two hundred twenty-three".