225364641 has 4 divisors (see below), whose sum is σ = 300486192. Its totient is φ = 150243092.

The previous prime is 225364627. The next prime is 225364661. The reversal of 225364641 is 146463522.

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 225364641 - 2⁵ = 225364609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225364621) 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, 37560771 + ... + 37560776.

It is an arithmetic number, because the mean of its divisors is an integer number (75121548).

Almost surely, 2^225364641 is an apocalyptic number.

It is an amenable number.

225364641 is a deficient number, since it is larger than the sum of its proper divisors (75121551).

225364641 is an equidigital number, since it uses as much as digits as its factorization.

225364641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75121550.

The product of its digits is 34560, while the sum is 33.

The square root of 225364641 is about 15012.1497794287. The cubic root of 225364641 is about 608.5485881809.

The spelling of 225364641 in words is "two hundred twenty-five million, three hundred sixty-four thousand, six hundred forty-one".