225079 has 2 divisors, whose sum is σ = 225080. Its totient is φ = 225078.

The previous prime is 225077. The next prime is 225089. The reversal of 225079 is 970522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225079 - 2¹ = 225077 is a prime.

Together with 225077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112539 + 112540.

It is an arithmetic number, because the mean of its divisors is an integer number (112540).

2²²⁵⁰⁷⁹ is an apocalyptic number.

225079 is a deficient number, since it is larger than the sum of its proper divisors (1).

225079 is an equidigital number, since it uses as much as digits as its factorization.

225079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 225079 is about 474.4249150287. The cubic root of 225079 is about 60.8291375518.

The spelling of 225079 in words is "two hundred twenty-five thousand, seventy-nine".