225453559 has 2 divisors, whose sum is σ = 225453560. Its totient is φ = 225453558.

The previous prime is 225453551. The next prime is 225453581. The reversal of 225453559 is 955354522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225453559 - 2³ = 225453551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225453551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112726779 + 112726780.

It is an arithmetic number, because the mean of its divisors is an integer number (112726780).

Almost surely, 2^225453559 is an apocalyptic number.

225453559 is a deficient number, since it is larger than the sum of its proper divisors (1).

225453559 is an equidigital number, since it uses as much as digits as its factorization.

225453559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 40.

The square root of 225453559 is about 15015.1110219006. Note that the first 3 decimals coincide. The cubic root of 225453559 is about 608.6286122820.

The spelling of 225453559 in words is "two hundred twenty-five million, four hundred fifty-three thousand, five hundred fifty-nine".