225680597 has 2 divisors, whose sum is σ = 225680598. Its totient is φ = 225680596.

The previous prime is 225680551. The next prime is 225680599. The reversal of 225680597 is 795086522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224580196 + 1100401 = 14986^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 225680597 - 2¹² = 225676501 is a prime.

Together with 225680599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225680599) 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, 112840298 + 112840299.

It is an arithmetic number, because the mean of its divisors is an integer number (112840299).

Almost surely, 2^225680597 is an apocalyptic number.

It is an amenable number.

225680597 is a deficient number, since it is larger than the sum of its proper divisors (1).

225680597 is an equidigital number, since it uses as much as digits as its factorization.

225680597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 225680597 is about 15022.6694365549. The cubic root of 225680597 is about 608.8328457172.

The spelling of 225680597 in words is "two hundred twenty-five million, six hundred eighty thousand, five hundred ninety-seven".