225052600261 has 2 divisors, whose sum is σ = 225052600262. Its totient is φ = 225052600260.

The previous prime is 225052600183. The next prime is 225052600411. The reversal of 225052600261 is 162006250522.

It is a happy number.

225052600261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216219420036 + 8833180225 = 464994^2 + 93985^2 .

It is a cyclic number.

It is not a de Polignac number, because 225052600261 - 2¹¹ = 225052598213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225052600561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112526300130 + 112526300131.

It is an arithmetic number, because the mean of its divisors is an integer number (112526300131).

Almost surely, 2^225052600261 is an apocalyptic number.

It is an amenable number.

225052600261 is a deficient number, since it is larger than the sum of its proper divisors (1).

225052600261 is an equidigital number, since it uses as much as digits as its factorization.

225052600261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 225052600261 its reverse (162006250522), we get a palindrome (387058850783).

The spelling of 225052600261 in words is "two hundred twenty-five billion, fifty-two million, six hundred thousand, two hundred sixty-one".