225905503793 has 8 divisors (see below), whose sum is σ = 226652294400. Its totient is φ = 225159702768.

The previous prime is 225905503787. The next prime is 225905503819. The reversal of 225905503793 is 397305509522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225905503793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225905506793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211328 + ... + 704606.

It is an arithmetic number, because the mean of its divisors is an integer number (28331536800).

Almost surely, 2^225905503793 is an apocalyptic number.

It is an amenable number.

225905503793 is a deficient number, since it is larger than the sum of its proper divisors (746790607).

225905503793 is a wasteful number, since it uses less digits than its factorization.

225905503793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494791.

The product of its (nonzero) digits is 2551500, while the sum is 50.

The spelling of 225905503793 in words is "two hundred twenty-five billion, nine hundred five million, five hundred three thousand, seven hundred ninety-three".