259997223 has 8 divisors (see below), whose sum is σ = 346797936. Its totient is φ = 173264000.

The previous prime is 259997203. The next prime is 259997233. The reversal of 259997223 is 322799952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 259997223 - 2¹⁰ = 259996199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259997203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7068 + ... + 23873.

It is an arithmetic number, because the mean of its divisors is an integer number (43349742).

Almost surely, 2^259997223 is an apocalyptic number.

259997223 is a deficient number, since it is larger than the sum of its proper divisors (86800713).

259997223 is a wasteful number, since it uses less digits than its factorization.

259997223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33745.

The product of its digits is 612360, while the sum is 48.

The square root of 259997223 is about 16124.4293852527. The cubic root of 259997223 is about 638.2481575427.

The spelling of 259997223 in words is "two hundred fifty-nine million, nine hundred ninety-seven thousand, two hundred twenty-three".