250680971 has 2 divisors, whose sum is σ = 250680972. Its totient is φ = 250680970.

The previous prime is 250680961. The next prime is 250681001. The reversal of 250680971 is 179086052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250680971 is a prime.

It is not a weakly prime, because it can be changed into another prime (250680961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125340485 + 125340486.

It is an arithmetic number, because the mean of its divisors is an integer number (125340486).

Almost surely, 2^250680971 is an apocalyptic number.

250680971 is a deficient number, since it is larger than the sum of its proper divisors (1).

250680971 is an equidigital number, since it uses as much as digits as its factorization.

250680971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 250680971 is about 15832.9078504234. The cubic root of 250680971 is about 630.5319861945.

The spelling of 250680971 in words is "two hundred fifty million, six hundred eighty thousand, nine hundred seventy-one".