225205063603 has 4 divisors (see below), whose sum is σ = 242528530048. Its totient is φ = 207881597160.

The previous prime is 225205063561. The next prime is 225205063627. The reversal of 225205063603 is 306360502522.

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

It is a cyclic number.

It is not a de Polignac number, because 225205063603 - 2⁹ = 225205063091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225205063693) 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, 8661733203 + ... + 8661733228.

It is an arithmetic number, because the mean of its divisors is an integer number (60632132512).

Almost surely, 2^225205063603 is an apocalyptic number.

225205063603 is a deficient number, since it is larger than the sum of its proper divisors (17323466445).

225205063603 is a wasteful number, since it uses less digits than its factorization.

225205063603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17323466444.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 225205063603 in words is "two hundred twenty-five billion, two hundred five million, sixty-three thousand, six hundred three".