225660241 has 2 divisors, whose sum is σ = 225660242. Its totient is φ = 225660240.

The previous prime is 225660203. The next prime is 225660251. The reversal of 225660241 is 142066522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225120016 + 540225 = 15004^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 225660241 - 2¹⁵ = 225627473 is a prime.

It is not a weakly prime, because it can be changed into another prime (225660251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112830120 + 112830121.

It is an arithmetic number, because the mean of its divisors is an integer number (112830121).

Almost surely, 2^225660241 is an apocalyptic number.

It is an amenable number.

225660241 is a deficient number, since it is larger than the sum of its proper divisors (1).

225660241 is an equidigital number, since it uses as much as digits as its factorization.

225660241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 225660241 is about 15021.9919118604. The cubic root of 225660241 is about 608.8145399431.

The spelling of 225660241 in words is "two hundred twenty-five million, six hundred sixty thousand, two hundred forty-one".