225503 has 2 divisors, whose sum is σ = 225504. Its totient is φ = 225502.

The previous prime is 225499. The next prime is 225509. The reversal of 225503 is 305522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225503 - 2² = 225499 is a prime.

It is a plaindrome in base 6.

It is a zygodrome in base 6.

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 225503.

It is not a weakly prime, because it can be changed into another prime (225509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112751 + 112752.

It is an arithmetic number, because the mean of its divisors is an integer number (112752).

2²²⁵⁵⁰³ is an apocalyptic number.

225503 is a deficient number, since it is larger than the sum of its proper divisors (1).

225503 is an equidigital number, since it uses as much as digits as its factorization.

225503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 225503 is about 474.8715615827. The cubic root of 225503 is about 60.8673098913.

The spelling of 225503 in words is "two hundred twenty-five thousand, five hundred three".