250780 has 12 divisors (see below), whose sum is σ = 526680. Its totient is φ = 100304.

The previous prime is 250777. The next prime is 250787. The reversal of 250780 is 87052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6250 + ... + 6289.

It is an arithmetic number, because the mean of its divisors is an integer number (43890).

2²⁵⁰⁷⁸⁰ is an apocalyptic number.

250780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250780 is an abundant number, since it is smaller than the sum of its proper divisors (275900).

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

250780 is a wasteful number, since it uses less digits than its factorization.

250780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12548 (or 12546 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 250780 is about 500.7793925473. The cubic root of 250780 is about 63.0615003707.

It can be divided in two parts, 250 and 780, that multiplied together give a triangular number (195000 = T₆₂₄).

The spelling of 250780 in words is "two hundred fifty thousand, seven hundred eighty".