225753601 has 2 divisors, whose sum is σ = 225753602. Its totient is φ = 225753600.

The previous prime is 225753589. The next prime is 225753623. The reversal of 225753601 is 106357522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139263601 + 86490000 = 11801^2 + 9300^2 .

It is a cyclic number.

It is not a de Polignac number, because 225753601 - 2¹¹ = 225751553 is a prime.

It is equal to p_12421885 and since 225753601 and 12421885 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (225753631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112876800 + 112876801.

It is an arithmetic number, because the mean of its divisors is an integer number (112876801).

Almost surely, 2^225753601 is an apocalyptic number.

It is an amenable number.

225753601 is a deficient number, since it is larger than the sum of its proper divisors (1).

225753601 is an equidigital number, since it uses as much as digits as its factorization.

225753601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 225753601 is about 15025.0990346154. The cubic root of 225753601 is about 608.8984878117.

The spelling of 225753601 in words is "two hundred twenty-five million, seven hundred fifty-three thousand, six hundred one".