250528 has 12 divisors (see below), whose sum is σ = 493290. Its totient is φ = 125248.

The previous prime is 250501. The next prime is 250543. The reversal of 250528 is 825052.

It can be written as a sum of positive squares in only one way, i.e., 242064 + 8464 = 492^2 + 92^2 .

It is a junction number, because it is equal to n+sod(n) for n = 250499 and 250508.

It is an unprimeable number.

250528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3883 + ... + 3946.

2²⁵⁰⁵²⁸ is an apocalyptic number.

It is an amenable number.

250528 is a deficient number, since it is larger than the sum of its proper divisors (242762).

250528 is an equidigital number, since it uses as much as digits as its factorization.

250528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839 (or 7831 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 250528 is about 500.5277215100. The cubic root of 250528 is about 63.0403705304.

The spelling of 250528 in words is "two hundred fifty thousand, five hundred twenty-eight".