250972250 has 16 divisors (see below), whose sum is σ = 469820520. Its totient is φ = 100388800.

The previous prime is 250972243. The next prime is 250972259. The reversal of 250972250 is 52279052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29170801 + 221801449 = 5401^2 + 14893^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (250972259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501695 + ... + 502194.

Almost surely, 2^250972250 is an apocalyptic number.

250972250 is a deficient number, since it is larger than the sum of its proper divisors (218848270).

250972250 is a wasteful number, since it uses less digits than its factorization.

250972250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003906 (or 1003896 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 250972250 is about 15842.1037113131. The cubic root of 250972250 is about 630.7761074198.

The spelling of 250972250 in words is "two hundred fifty million, nine hundred seventy-two thousand, two hundred fifty".