225775273 has 2 divisors, whose sum is σ = 225775274. Its totient is φ = 225775272.

The previous prime is 225775261. The next prime is 225775321. The reversal of 225775273 is 372577522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138109504 + 87665769 = 11752^2 + 9363^2 .

It is a cyclic number.

It is not a de Polignac number, because 225775273 - 2²¹ = 223678121 is a prime.

It is not a weakly prime, because it can be changed into another prime (225775223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112887636 + 112887637.

It is an arithmetic number, because the mean of its divisors is an integer number (112887637).

Almost surely, 2^225775273 is an apocalyptic number.

It is an amenable number.

225775273 is a deficient number, since it is larger than the sum of its proper divisors (1).

225775273 is an equidigital number, since it uses as much as digits as its factorization.

225775273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 205800, while the sum is 40.

The square root of 225775273 is about 15025.8202105576. The cubic root of 225775273 is about 608.9179716291.

The spelling of 225775273 in words is "two hundred twenty-five million, seven hundred seventy-five thousand, two hundred seventy-three".