225925957 has 2 divisors, whose sum is σ = 225925958. Its totient is φ = 225925956.

The previous prime is 225925939. The next prime is 225925961. The reversal of 225925957 is 759529522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168636196 + 57289761 = 12986^2 + 7569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225925957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225925057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112962978 + 112962979.

It is an arithmetic number, because the mean of its divisors is an integer number (112962979).

Almost surely, 2^225925957 is an apocalyptic number.

It is an amenable number.

225925957 is a deficient number, since it is larger than the sum of its proper divisors (1).

225925957 is an equidigital number, since it uses as much as digits as its factorization.

225925957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 46.

The square root of 225925957 is about 15030.8335430874. The cubic root of 225925957 is about 609.0534068778.

The spelling of 225925957 in words is "two hundred twenty-five million, nine hundred twenty-five thousand, nine hundred fifty-seven".