225011329 has 2 divisors, whose sum is σ = 225011330. Its totient is φ = 225011328.

The previous prime is 225011327. The next prime is 225011333. The reversal of 225011329 is 923110522.

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., 219721329 + 5290000 = 14823^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 225011329 - 2¹ = 225011327 is a prime.

Together with 225011327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (225011327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112505664 + 112505665.

It is an arithmetic number, because the mean of its divisors is an integer number (112505665).

Almost surely, 2^225011329 is an apocalyptic number.

It is an amenable number.

225011329 is a deficient number, since it is larger than the sum of its proper divisors (1).

225011329 is an equidigital number, since it uses as much as digits as its factorization.

225011329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 225011329 is about 15000.3776285799. The cubic root of 225011329 is about 608.2304075736.

The spelling of 225011329 in words is "two hundred twenty-five million, eleven thousand, three hundred twenty-nine".