225756697 has 2 divisors, whose sum is σ = 225756698. Its totient is φ = 225756696.

The previous prime is 225756691. The next prime is 225756743. The reversal of 225756697 is 796657522.

225756697 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., 173686041 + 52070656 = 13179^2 + 7216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225756697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225756697.

It is not a weakly prime, because it can be changed into another prime (225756691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112878348 + 112878349.

It is an arithmetic number, because the mean of its divisors is an integer number (112878349).

Almost surely, 2^225756697 is an apocalyptic number.

It is an amenable number.

225756697 is a deficient number, since it is larger than the sum of its proper divisors (1).

225756697 is an equidigital number, since it uses as much as digits as its factorization.

225756697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 49.

The square root of 225756697 is about 15025.2020618693. The cubic root of 225756697 is about 608.9012712906.

The spelling of 225756697 in words is "two hundred twenty-five million, seven hundred fifty-six thousand, six hundred ninety-seven".