225177140897 has 2 divisors, whose sum is σ = 225177140898. Its totient is φ = 225177140896.

The previous prime is 225177140863. The next prime is 225177140939. The reversal of 225177140897 is 798041771522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124682434816 + 100494706081 = 353104^2 + 317009^2 .

It is a cyclic number.

It is not a de Polignac number, because 225177140897 - 2⁸ = 225177140641 is a prime.

It is not a weakly prime, because it can be changed into another prime (225177140857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112588570448 + 112588570449.

It is an arithmetic number, because the mean of its divisors is an integer number (112588570449).

Almost surely, 2^225177140897 is an apocalyptic number.

It is an amenable number.

225177140897 is a deficient number, since it is larger than the sum of its proper divisors (1).

225177140897 is an equidigital number, since it uses as much as digits as its factorization.

225177140897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The spelling of 225177140897 in words is "two hundred twenty-five billion, one hundred seventy-seven million, one hundred forty thousand, eight hundred ninety-seven".