225753617 has 4 divisors (see below), whose sum is σ = 226690596. Its totient is φ = 224816640.

The previous prime is 225753601. The next prime is 225753623. The reversal of 225753617 is 716357522.

225753617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 188677696 + 37075921 = 13736^2 + 6089^2 .

It is a cyclic number.

It is not a de Polignac number, because 225753617 - 2⁴ = 225753601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225753637) 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, 468128 + ... + 468609.

It is an arithmetic number, because the mean of its divisors is an integer number (56672649).

Almost surely, 2^225753617 is an apocalyptic number.

It is an amenable number.

225753617 is a deficient number, since it is larger than the sum of its proper divisors (936979).

225753617 is an equidigital number, since it uses as much as digits as its factorization.

225753617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936978.

The product of its digits is 88200, while the sum is 38.

The square root of 225753617 is about 15025.0995670578. The cubic root of 225753617 is about 608.8985021967.

The spelling of 225753617 in words is "two hundred twenty-five million, seven hundred fifty-three thousand, six hundred seventeen".