250664 has 8 divisors (see below), whose sum is σ = 470010. Its totient is φ = 125328.
The previous prime is 250643. The next prime is 250673. The reversal of 250664 is 466052.
250664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 128164 + 122500 = 358^2 + 350^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an Ulam number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250664.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15659 + ... + 15674.
2250664 is an apocalyptic number.
It is an amenable number.
250664 is a deficient number, since it is larger than the sum of its proper divisors (219346).
250664 is a wasteful number, since it uses less digits than its factorization.
250664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31339 (or 31335 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 250664 is about 500.6635596885. The cubic root of 250664 is about 63.0517756954.
The spelling of 250664 in words is "two hundred fifty thousand, six hundred sixty-four".
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