259604 has 6 divisors (see below), whose sum is σ = 454314. Its totient is φ = 129800.

The previous prime is 259603. The next prime is 259619. The reversal of 259604 is 406952.

It can be written as a sum of positive squares in only one way, i.e., 250000 + 9604 = 500^2 + 98^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32447 + ... + 32454.

It is an arithmetic number, because the mean of its divisors is an integer number (75719).

2²⁵⁹⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

259604 is a deficient number, since it is larger than the sum of its proper divisors (194710).

259604 is a wasteful number, since it uses less digits than its factorization.

259604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64905 (or 64903 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 259604 is about 509.5134934425. The cubic root of 259604 is about 63.7926230403.

It can be divided in two parts, 25 and 9604, that multiplied together give a square (240100 = 490²).

The spelling of 259604 in words is "two hundred fifty-nine thousand, six hundred four".