223525873 has 2 divisors, whose sum is σ = 223525874. Its totient is φ = 223525872.

The previous prime is 223525871. The next prime is 223525901. The reversal of 223525873 is 378525322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211498849 + 12027024 = 14543^2 + 3468^2 .

It is a cyclic number.

It is not a de Polignac number, because 223525873 - 2¹ = 223525871 is a prime.

Together with 223525871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (223525871) 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 as a sum of consecutive naturals, namely, 111762936 + 111762937.

It is an arithmetic number, because the mean of its divisors is an integer number (111762937).

Almost surely, 2^223525873 is an apocalyptic number.

It is an amenable number.

223525873 is a deficient number, since it is larger than the sum of its proper divisors (1).

223525873 is an equidigital number, since it uses as much as digits as its factorization.

223525873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 223525873 is about 14950.7816852498. The cubic root of 223525873 is about 606.8890009791.

The spelling of 223525873 in words is "two hundred twenty-three million, five hundred twenty-five thousand, eight hundred seventy-three".