225596501 has 4 divisors (see below), whose sum is σ = 242950092. Its totient is φ = 208242912.

The previous prime is 225596491. The next prime is 225596513. The reversal of 225596501 is 105695522.

225596501 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 97318225 + 128278276 = 9865^2 + 11326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225596501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225596531) 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, 8676776 + ... + 8676801.

It is an arithmetic number, because the mean of its divisors is an integer number (60737523).

Almost surely, 2^225596501 is an apocalyptic number.

It is an amenable number.

225596501 is a deficient number, since it is larger than the sum of its proper divisors (17353591).

225596501 is a wasteful number, since it uses less digits than its factorization.

225596501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17353590.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 225596501 is about 15019.8702058307. The cubic root of 225596501 is about 608.7572126194.

The spelling of 225596501 in words is "two hundred twenty-five million, five hundred ninety-six thousand, five hundred one".