225680659 has 2 divisors, whose sum is σ = 225680660. Its totient is φ = 225680658.

The previous prime is 225680633. The next prime is 225680701. The reversal of 225680659 is 956086522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225680659 - 2²⁵ = 192126227 is a prime.

It is not a weakly prime, because it can be changed into another prime (225680159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112840329 + 112840330.

It is an arithmetic number, because the mean of its divisors is an integer number (112840330).

Almost surely, 2^225680659 is an apocalyptic number.

225680659 is a deficient number, since it is larger than the sum of its proper divisors (1).

225680659 is an equidigital number, since it uses as much as digits as its factorization.

225680659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 225680659 is about 15022.6715001028. The cubic root of 225680659 is about 608.8329014709.

The spelling of 225680659 in words is "two hundred twenty-five million, six hundred eighty thousand, six hundred fifty-nine".