259603 has 2 divisors, whose sum is σ = 259604. Its totient is φ = 259602.

The previous prime is 259583. The next prime is 259619. The reversal of 259603 is 306952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259603 is a prime.

It is not a weakly prime, because it can be changed into another prime (259643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129801 + 129802.

It is an arithmetic number, because the mean of its divisors is an integer number (129802).

2²⁵⁹⁶⁰³ is an apocalyptic number.

259603 is a deficient number, since it is larger than the sum of its proper divisors (1).

259603 is an equidigital number, since it uses as much as digits as its factorization.

259603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 259603 is about 509.5125121133. The cubic root of 259603 is about 63.7925411300.

The spelling of 259603 in words is "two hundred fifty-nine thousand, six hundred three".