225552461 has 2 divisors, whose sum is σ = 225552462. Its totient is φ = 225552460.

The previous prime is 225552443. The next prime is 225552479. The reversal of 225552461 is 164255522.

225552461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (225552443) and next prime (225552479).

It can be written as a sum of positive squares in only one way, i.e., 113827561 + 111724900 = 10669^2 + 10570^2 .

It is a cyclic number.

It is not a de Polignac number, because 225552461 - 2¹⁰ = 225551437 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225552361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112776230 + 112776231.

It is an arithmetic number, because the mean of its divisors is an integer number (112776231).

Almost surely, 2^225552461 is an apocalyptic number.

It is an amenable number.

225552461 is a deficient number, since it is larger than the sum of its proper divisors (1).

225552461 is an equidigital number, since it uses as much as digits as its factorization.

225552461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 32.

The square root of 225552461 is about 15018.4040763325. The cubic root of 225552461 is about 608.7175970340.

The spelling of 225552461 in words is "two hundred twenty-five million, five hundred fifty-two thousand, four hundred sixty-one".