225733725361 has 4 divisors (see below), whose sum is σ = 239012179812. Its totient is φ = 212455270912.

The previous prime is 225733725323. The next prime is 225733725383. The reversal of 225733725361 is 163527337522.

225733725361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80858334736 + 144875390625 = 284356^2 + 380625^2 .

It is a cyclic number.

It is not a de Polignac number, because 225733725361 - 2¹³ = 225733717169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225733725311) 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 in 3 ways as a sum of consecutive naturals, for example, 6639227200 + ... + 6639227233.

It is an arithmetic number, because the mean of its divisors is an integer number (59753044953).

Almost surely, 2^225733725361 is an apocalyptic number.

It is an amenable number.

225733725361 is a deficient number, since it is larger than the sum of its proper divisors (13278454451).

225733725361 is a wasteful number, since it uses less digits than its factorization.

225733725361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13278454450.

The product of its digits is 1587600, while the sum is 46.

The spelling of 225733725361 in words is "two hundred twenty-five billion, seven hundred thirty-three million, seven hundred twenty-five thousand, three hundred sixty-one".