225909263 has 2 divisors, whose sum is σ = 225909264. Its totient is φ = 225909262.

The previous prime is 225909241. The next prime is 225909283. The reversal of 225909263 is 362909522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225909263 - 2⁶ = 225909199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225909223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112954631 + 112954632.

It is an arithmetic number, because the mean of its divisors is an integer number (112954632).

Almost surely, 2^225909263 is an apocalyptic number.

225909263 is a deficient number, since it is larger than the sum of its proper divisors (1).

225909263 is an equidigital number, since it uses as much as digits as its factorization.

225909263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 225909263 is about 15030.2782076713. The cubic root of 225909263 is about 609.0384052254.

The spelling of 225909263 in words is "two hundred twenty-five million, nine hundred nine thousand, two hundred sixty-three".