225105057 has 6 divisors (see below), whose sum is σ = 325151762. Its totient is φ = 150070032.

The previous prime is 225105053. The next prime is 225105157. The reversal of 225105057 is 750501522.

It is a happy number.

225105057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 146676321 + 78428736 = 12111^2 + 8856^2 .

It is not a de Polignac number, because 225105057 - 2² = 225105053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225105057.

It is not an unprimeable number, because it can be changed into a prime (225105053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12505828 + ... + 12505845.

Almost surely, 2^225105057 is an apocalyptic number.

It is an amenable number.

225105057 is a deficient number, since it is larger than the sum of its proper divisors (100046705).

225105057 is a wasteful number, since it uses less digits than its factorization.

225105057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25011679 (or 25011676 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 225105057 is about 15003.5014913186. The cubic root of 225105057 is about 608.3148482196.

Adding to 225105057 its reverse (750501522), we get a palindrome (975606579).

The spelling of 225105057 in words is "two hundred twenty-five million, one hundred five thousand, fifty-seven".