225205063 has 4 divisors (see below), whose sum is σ = 228055840. Its totient is φ = 222354288.

The previous prime is 225205021. The next prime is 225205093. The reversal of 225205063 is 360502522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225205063 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 (225205093) 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, 1425270 + ... + 1425427.

It is an arithmetic number, because the mean of its divisors is an integer number (57013960).

Almost surely, 2^225205063 is an apocalyptic number.

225205063 is a deficient number, since it is larger than the sum of its proper divisors (2850777).

225205063 is an equidigital number, since it uses as much as digits as its factorization.

225205063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850776.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 225205063 is about 15006.8338766044. The cubic root of 225205063 is about 608.4049189460.

Adding to 225205063 its reverse (360502522), we get a palindrome (585707585).

The spelling of 225205063 in words is "two hundred twenty-five million, two hundred five thousand, sixty-three".