259983172 has 6 divisors (see below), whose sum is σ = 454970558. Its totient is φ = 129991584.

The previous prime is 259983169. The next prime is 259983181. The reversal of 259983172 is 271389952.

It can be written as a sum of positive squares in only one way, i.e., 257474116 + 2509056 = 16046^2 + 1584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32497893 + ... + 32497900.

Almost surely, 2^259983172 is an apocalyptic number.

It is an amenable number.

259983172 is a deficient number, since it is larger than the sum of its proper divisors (194987386).

259983172 is a wasteful number, since it uses less digits than its factorization.

259983172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64995797 (or 64995795 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 259983172 is about 16123.9936740251. The cubic root of 259983172 is about 638.2366597450.

It can be divided in two parts, 2599 and 83172, that multiplied together give a triangular number (216164028 = T₂₀₇₉₂).

The spelling of 259983172 in words is "two hundred fifty-nine million, nine hundred eighty-three thousand, one hundred seventy-two".