225423503 has 2 divisors, whose sum is σ = 225423504. Its totient is φ = 225423502.

The previous prime is 225423493. The next prime is 225423533. The reversal of 225423503 is 305324522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225423503 - 2⁶ = 225423439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225423533) 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, 112711751 + 112711752.

It is an arithmetic number, because the mean of its divisors is an integer number (112711752).

Almost surely, 2^225423503 is an apocalyptic number.

225423503 is a deficient number, since it is larger than the sum of its proper divisors (1).

225423503 is an equidigital number, since it uses as much as digits as its factorization.

225423503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 225423503 is about 15014.1101301409. The cubic root of 225423503 is about 608.6015649459.

The spelling of 225423503 in words is "two hundred twenty-five million, four hundred twenty-three thousand, five hundred three".