225615433 has 2 divisors, whose sum is σ = 225615434. Its totient is φ = 225615432.

The previous prime is 225615431. The next prime is 225615451. The reversal of 225615433 is 334516522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170380809 + 55234624 = 13053^2 + 7432^2 .

It is a cyclic number.

It is not a de Polignac number, because 225615433 - 2¹ = 225615431 is a prime.

Together with 225615431, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 225615395 and 225615404.

It is not a weakly prime, because it can be changed into another prime (225615431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112807716 + 112807717.

It is an arithmetic number, because the mean of its divisors is an integer number (112807717).

Almost surely, 2^225615433 is an apocalyptic number.

It is an amenable number.

225615433 is a deficient number, since it is larger than the sum of its proper divisors (1).

225615433 is an equidigital number, since it uses as much as digits as its factorization.

225615433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

The square root of 225615433 is about 15020.5004244200. The cubic root of 225615433 is about 608.7742410590.

It can be divided in two parts, 2256 and 15433, that added together give a square (17689 = 133²).

The spelling of 225615433 in words is "two hundred twenty-five million, six hundred fifteen thousand, four hundred thirty-three".