225624265 has 4 divisors (see below), whose sum is σ = 270749124. Its totient is φ = 180499408.

The previous prime is 225624257. The next prime is 225624277. The reversal of 225624265 is 562426522.

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 52359696 + 173264569 = 7236^2 + 13163^2 .

It is a cyclic number.

It is not a de Polignac number, because 225624265 - 2³ = 225624257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225624265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22562422 + ... + 22562431.

It is an arithmetic number, because the mean of its divisors is an integer number (67687281).

Almost surely, 2^225624265 is an apocalyptic number.

It is an amenable number.

225624265 is a deficient number, since it is larger than the sum of its proper divisors (45124859).

225624265 is an equidigital number, since it uses as much as digits as its factorization.

225624265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45124858.

The product of its digits is 57600, while the sum is 34.

The square root of 225624265 is about 15020.7944197369. The cubic root of 225624265 is about 608.7821846999.

The spelling of 225624265 in words is "two hundred twenty-five million, six hundred twenty-four thousand, two hundred sixty-five".