225329 has 4 divisors (see below), whose sum is σ = 242676. Its totient is φ = 207984.

The previous prime is 225307. The next prime is 225341. The reversal of 225329 is 923522.

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 21025 + 204304 = 145^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 225329 - 2¹² = 221233 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁵ + 3⁷ + 5³ + 2¹⁷ + 9⁵ .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225329.

It is not an unprimeable number, because it can be changed into a prime (225349) 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, 8654 + ... + 8679.

It is an arithmetic number, because the mean of its divisors is an integer number (60669).

2²²⁵³²⁹ is an apocalyptic number.

It is an amenable number.

225329 is a deficient number, since it is larger than the sum of its proper divisors (17347).

225329 is a wasteful number, since it uses less digits than its factorization.

225329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17346.

The product of its digits is 1080, while the sum is 23.

The square root of 225329 is about 474.6883187946. The cubic root of 225329 is about 60.8516506213.

The spelling of 225329 in words is "two hundred twenty-five thousand, three hundred twenty-nine".