259240 has 16 divisors (see below), whose sum is σ = 583380. Its totient is φ = 103680.
The previous prime is 259229. The next prime is 259271. The reversal of 259240 is 42952.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 248004 + 11236 = 498^2 + 106^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3201 + ... + 3280.
2259240 is an apocalyptic number.
259240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
259240 is an abundant number, since it is smaller than the sum of its proper divisors (324140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
259240 is a wasteful number, since it uses less digits than its factorization.
259240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6492 (or 6488 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 259240 is about 509.1561646489. The cubic root of 259240 is about 63.7627937927.
The spelling of 259240 in words is "two hundred fifty-nine thousand, two hundred forty".
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