225132554657 has 2 divisors, whose sum is σ = 225132554658. Its totient is φ = 225132554656.

The previous prime is 225132554627. The next prime is 225132554681. The reversal of 225132554657 is 756455231522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200776582561 + 24355972096 = 448081^2 + 156064^2 .

It is a cyclic number.

It is not a de Polignac number, because 225132554657 - 2⁶ = 225132554593 is a prime.

It is not a weakly prime, because it can be changed into another prime (225132554627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112566277328 + 112566277329.

It is an arithmetic number, because the mean of its divisors is an integer number (112566277329).

Almost surely, 2^225132554657 is an apocalyptic number.

It is an amenable number.

225132554657 is a deficient number, since it is larger than the sum of its proper divisors (1).

225132554657 is an equidigital number, since it uses as much as digits as its factorization.

225132554657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520000, while the sum is 47.

The spelling of 225132554657 in words is "two hundred twenty-five billion, one hundred thirty-two million, five hundred fifty-four thousand, six hundred fifty-seven".