225604560417 has 4 divisors (see below), whose sum is σ = 300806080560. Its totient is φ = 150403040276.

The previous prime is 225604560409. The next prime is 225604560479. The reversal of 225604560417 is 714065406522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225604560417 - 2³ = 225604560409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225604560497) 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, 37600760067 + ... + 37600760072.

It is an arithmetic number, because the mean of its divisors is an integer number (75201520140).

Almost surely, 2^225604560417 is an apocalyptic number.

It is an amenable number.

225604560417 is a deficient number, since it is larger than the sum of its proper divisors (75201520143).

225604560417 is an equidigital number, since it uses as much as digits as its factorization.

225604560417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75201520142.

The product of its (nonzero) digits is 403200, while the sum is 42.

Adding to 225604560417 its reverse (714065406522), we get a palindrome (939669966939).

The spelling of 225604560417 in words is "two hundred twenty-five billion, six hundred four million, five hundred sixty thousand, four hundred seventeen".