250668530 has 32 divisors (see below), whose sum is σ = 516257280. Its totient is φ = 85844160.

The previous prime is 250668527. The next prime is 250668533. The reversal of 250668530 is 35866052.

It is an interprime number because it is at equal distance from previous prime (250668527) and next prime (250668533).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (250668533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84716 + ... + 87624.

It is an arithmetic number, because the mean of its divisors is an integer number (16133040).

Almost surely, 2^250668530 is an apocalyptic number.

250668530 is an abundant number, since it is smaller than the sum of its proper divisors (265588750).

250668530 is a wasteful number, since it uses less digits than its factorization.

250668530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 250668530 is about 15832.5149613067. The cubic root of 250668530 is about 630.5215551698.

The spelling of 250668530 in words is "two hundred fifty million, six hundred sixty-eight thousand, five hundred thirty".