259249256 has 16 divisors (see below), whose sum is σ = 555534240. Its totient is φ = 111106800.

The previous prime is 259249247. The next prime is 259249259. The reversal of 259249256 is 652942952.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (259249259) 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, 2314670 + ... + 2314781.

It is an arithmetic number, because the mean of its divisors is an integer number (34720890).

Almost surely, 2^259249256 is an apocalyptic number.

It is an amenable number.

259249256 is an abundant number, since it is smaller than the sum of its proper divisors (296284984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259249256 is a wasteful number, since it uses less digits than its factorization.

259249256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629464 (or 4629460 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 259249256 is about 16101.2190842805. The cubic root of 259249256 is about 637.6355265368.

The spelling of 259249256 in words is "two hundred fifty-nine million, two hundred forty-nine thousand, two hundred fifty-six".