225603352313 has 8 divisors (see below), whose sum is σ = 228713609448. Its totient is φ = 222493630464.

The previous prime is 225603352301. The next prime is 225603352339. The reversal of 225603352313 is 313253306522.

It can be written as a sum of positive squares in 4 ways, for example, as 23312098489 + 202291253824 = 152683^2 + 449768^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 225603352313 - 2¹⁰ = 225603351289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225603352343) 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, 755345 + ... + 1010817.

It is an arithmetic number, because the mean of its divisors is an integer number (28589201181).

Almost surely, 2^225603352313 is an apocalyptic number.

It is an amenable number.

225603352313 is a deficient number, since it is larger than the sum of its proper divisors (3110257135).

225603352313 is a wasteful number, since it uses less digits than its factorization.

225603352313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267643.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 225603352313 its reverse (313253306522), we get a palindrome (538856658835).

The spelling of 225603352313 in words is "two hundred twenty-five billion, six hundred three million, three hundred fifty-two thousand, three hundred thirteen".