259861072 has 20 divisors (see below), whose sum is σ = 503984980. Its totient is φ = 129800448.

The previous prime is 259861057. The next prime is 259861079. The reversal of 259861072 is 270168952.

It can be written as a sum of positive squares in 2 ways, for example, as 205750336 + 54110736 = 14344^2 + 7356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259861079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9508 + ... + 24700.

It is an arithmetic number, because the mean of its divisors is an integer number (25199249).

Almost surely, 2^259861072 is an apocalyptic number.

It is an amenable number.

259861072 is a deficient number, since it is larger than the sum of its proper divisors (244123908).

259861072 is a wasteful number, since it uses less digits than its factorization.

259861072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16270 (or 16264 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 259861072 is about 16120.2069465624. The cubic root of 259861072 is about 638.1367290477.

The spelling of 259861072 in words is "two hundred fifty-nine million, eight hundred sixty-one thousand, seventy-two".