224520253 has 4 divisors (see below), whose sum is σ = 225415008. Its totient is φ = 223625500.

The previous prime is 224520251. The next prime is 224520277. The reversal of 224520253 is 352025422.

It is a happy number.

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 224520253 - 2¹ = 224520251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224520251) 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, 447001 + ... + 447502.

It is an arithmetic number, because the mean of its divisors is an integer number (56353752).

Almost surely, 2^224520253 is an apocalyptic number.

It is an amenable number.

224520253 is a deficient number, since it is larger than the sum of its proper divisors (894755).

224520253 is an equidigital number, since it uses as much as digits as its factorization.

224520253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894754.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 224520253 is about 14983.9998998932. Note that the first 3 decimals coincide. The cubic root of 224520253 is about 607.7876077809.

Adding to 224520253 its reverse (352025422), we get a palindrome (576545675).

The spelling of 224520253 in words is "two hundred twenty-four million, five hundred twenty thousand, two hundred fifty-three".