225043829 has 2 divisors, whose sum is σ = 225043830. Its totient is φ = 225043828.

The previous prime is 225043813. The next prime is 225043859. The reversal of 225043829 is 928340522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167314225 + 57729604 = 12935^2 + 7598^2 .

It is a cyclic number.

It is not a de Polignac number, because 225043829 - 2⁴ = 225043813 is a prime.

It is a Chen prime.

It is equal to p_12385169 and since 225043829 and 12385169 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225043859) 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, 112521914 + 112521915.

It is an arithmetic number, because the mean of its divisors is an integer number (112521915).

Almost surely, 2^225043829 is an apocalyptic number.

It is an amenable number.

225043829 is a deficient number, since it is larger than the sum of its proper divisors (1).

225043829 is an equidigital number, since it uses as much as digits as its factorization.

225043829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 225043829 is about 15001.4608955261. The cubic root of 225043829 is about 608.2596898572.

The spelling of 225043829 in words is "two hundred twenty-five million, forty-three thousand, eight hundred twenty-nine".