223500253 has 4 divisors (see below), whose sum is σ = 223581340. Its totient is φ = 223419168.

The previous prime is 223500217. The next prime is 223500259. The reversal of 223500253 is 352005322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 158810404 + 64689849 = 12602^2 + 8043^2 .

It is a cyclic number.

It is not a de Polignac number, because 223500253 - 2⁹ = 223499741 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 (223500259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36258 + ... + 41971.

It is an arithmetic number, because the mean of its divisors is an integer number (55895335).

Almost surely, 2^223500253 is an apocalyptic number.

It is an amenable number.

223500253 is a deficient number, since it is larger than the sum of its proper divisors (81087).

223500253 is an equidigital number, since it uses as much as digits as its factorization.

223500253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81086.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 223500253 is about 14949.9248493094. The cubic root of 223500253 is about 606.8658133721.

Adding to 223500253 its reverse (352005322), we get a palindrome (575505575).

The spelling of 223500253 in words is "two hundred twenty-three million, five hundred thousand, two hundred fifty-three".