225253177577 has 2 divisors, whose sum is σ = 225253177578. Its totient is φ = 225253177576.

The previous prime is 225253177561. The next prime is 225253177627. The reversal of 225253177577 is 775771352522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225103751401 + 149426176 = 474451^2 + 12224^2 .

It is a cyclic number.

It is not a de Polignac number, because 225253177577 - 2⁴ = 225253177561 is a prime.

It is not a weakly prime, because it can be changed into another prime (225253177537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112626588788 + 112626588789.

It is an arithmetic number, because the mean of its divisors is an integer number (112626588789).

Almost surely, 2^225253177577 is an apocalyptic number.

It is an amenable number.

225253177577 is a deficient number, since it is larger than the sum of its proper divisors (1).

225253177577 is an equidigital number, since it uses as much as digits as its factorization.

225253177577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7203000, while the sum is 53.

The spelling of 225253177577 in words is "two hundred twenty-five billion, two hundred fifty-three million, one hundred seventy-seven thousand, five hundred seventy-seven".