250566427 has 2 divisors, whose sum is σ = 250566428. Its totient is φ = 250566426.

The previous prime is 250566419. The next prime is 250566431. The reversal of 250566427 is 724665052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 250566427 - 2³ = 250566419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (250566487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125283213 + 125283214.

It is an arithmetic number, because the mean of its divisors is an integer number (125283214).

Almost surely, 2^250566427 is an apocalyptic number.

250566427 is a deficient number, since it is larger than the sum of its proper divisors (1).

250566427 is an equidigital number, since it uses as much as digits as its factorization.

250566427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 250566427 is about 15829.2901609643. The cubic root of 250566427 is about 630.4359349483.

The spelling of 250566427 in words is "two hundred fifty million, five hundred sixty-six thousand, four hundred twenty-seven".