259725479 has 16 divisors (see below), whose sum is σ = 290058720. Its totient is φ = 230912640.

The previous prime is 259725467. The next prime is 259725481. The reversal of 259725479 is 974527952.

It is a cyclic number.

It is not a de Polignac number, because 259725479 - 2⁴ = 259725463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259725679) 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 in 15 ways as a sum of consecutive naturals, for example, 260009 + ... + 261005.

It is an arithmetic number, because the mean of its divisors is an integer number (18128670).

Almost surely, 2^259725479 is an apocalyptic number.

259725479 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

259725479 is a deficient number, since it is larger than the sum of its proper divisors (30333241).

259725479 is a wasteful number, since it uses less digits than its factorization.

259725479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730.

The product of its digits is 1587600, while the sum is 50.

The square root of 259725479 is about 16116.0007135766. Note that the first 3 decimals coincide. The cubic root of 259725479 is about 638.0257185415.

The spelling of 259725479 in words is "two hundred fifty-nine million, seven hundred twenty-five thousand, four hundred seventy-nine".