225724273997 has 2 divisors, whose sum is σ = 225724273998. Its totient is φ = 225724273996.

The previous prime is 225724273967. The next prime is 225724274071. The reversal of 225724273997 is 799372427522.

225724273997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174127605796 + 51596668201 = 417286^2 + 227149^2 .

It is a cyclic number.

It is not a de Polignac number, because 225724273997 - 2⁸ = 225724273741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225724273927) 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 as a sum of consecutive naturals, namely, 112862136998 + 112862136999.

It is an arithmetic number, because the mean of its divisors is an integer number (112862136999).

Almost surely, 2^225724273997 is an apocalyptic number.

It is an amenable number.

225724273997 is a deficient number, since it is larger than the sum of its proper divisors (1).

225724273997 is an equidigital number, since it uses as much as digits as its factorization.

225724273997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26671680, while the sum is 59.

The spelling of 225724273997 in words is "two hundred twenty-five billion, seven hundred twenty-four million, two hundred seventy-three thousand, nine hundred ninety-seven".