225727303129 has 2 divisors, whose sum is σ = 225727303130. Its totient is φ = 225727303128.

The previous prime is 225727303037. The next prime is 225727303141. The reversal of 225727303129 is 921303727522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198780439104 + 26946864025 = 445848^2 + 164155^2 .

It is a cyclic number.

It is not a de Polignac number, because 225727303129 - 2¹⁷ = 225727172057 is a prime.

It is not a weakly prime, because it can be changed into another prime (225727303159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112863651564 + 112863651565.

It is an arithmetic number, because the mean of its divisors is an integer number (112863651565).

Almost surely, 2^225727303129 is an apocalyptic number.

It is an amenable number.

225727303129 is a deficient number, since it is larger than the sum of its proper divisors (1).

225727303129 is an equidigital number, since it uses as much as digits as its factorization.

225727303129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 225727303129 in words is "two hundred twenty-five billion, seven hundred twenty-seven million, three hundred three thousand, one hundred twenty-nine".