225936461 has 2 divisors, whose sum is σ = 225936462. Its totient is φ = 225936460.

The previous prime is 225936457. The next prime is 225936517. The reversal of 225936461 is 164639522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190164100 + 35772361 = 13790^2 + 5981^2 .

It is a cyclic number.

It is not a de Polignac number, because 225936461 - 2² = 225936457 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225996461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112968230 + 112968231.

It is an arithmetic number, because the mean of its divisors is an integer number (112968231).

Almost surely, 2^225936461 is an apocalyptic number.

It is an amenable number.

225936461 is a deficient number, since it is larger than the sum of its proper divisors (1).

225936461 is an equidigital number, since it uses as much as digits as its factorization.

225936461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 225936461 is about 15031.1829541124. The cubic root of 225936461 is about 609.0628456602.

The spelling of 225936461 in words is "two hundred twenty-five million, nine hundred thirty-six thousand, four hundred sixty-one".