259972 has 12 divisors (see below), whose sum is σ = 460096. Its totient is φ = 128520.

The previous prime is 259967. The next prime is 259991. The reversal of 259972 is 279952.

It is a d-powerful number, because it can be written as 2¹⁴ + 5⁴ + 9³ + 9⁵ + 7⁶ + 2¹⁶ .

It is an unprimeable number.

259972 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 3 ways as a sum of consecutive naturals, for example, 97 + ... + 727.

2²⁵⁹⁹⁷² is an apocalyptic number.

It is an amenable number.

259972 is a deficient number, since it is larger than the sum of its proper divisors (200124).

259972 is a wasteful number, since it uses less digits than its factorization.

259972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 736 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 259972 is about 509.8744943611. The cubic root of 259972 is about 63.8227517510.

The spelling of 259972 in words is "two hundred fifty-nine thousand, nine hundred seventy-two".