225479 has 2 divisors, whose sum is σ = 225480. Its totient is φ = 225478.

The previous prime is 225461. The next prime is 225493. The reversal of 225479 is 974522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225479 - 2⁸ = 225223 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁷ + 4³ + 5³ + 7⁴ + 9⁵ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225479.

It is not a weakly prime, because it can be changed into another prime (225499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112739 + 112740.

It is an arithmetic number, because the mean of its divisors is an integer number (112740).

2²²⁵⁴⁷⁹ is an apocalyptic number.

225479 is a deficient number, since it is larger than the sum of its proper divisors (1).

225479 is an equidigital number, since it uses as much as digits as its factorization.

225479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 225479 is about 474.8462909195. The cubic root of 225479 is about 60.8651504710.

The spelling of 225479 in words is "two hundred twenty-five thousand, four hundred seventy-nine".