250255393 has 2 divisors, whose sum is σ = 250255394. Its totient is φ = 250255392.

The previous prime is 250255391. The next prime is 250255417. The reversal of 250255393 is 393552052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243110464 + 7144929 = 15592^2 + 2673^2 .

It is a cyclic number.

It is not a de Polignac number, because 250255393 - 2¹ = 250255391 is a prime.

Together with 250255391, it forms a pair of twin primes.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (250255391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125127696 + 125127697.

It is an arithmetic number, because the mean of its divisors is an integer number (125127697).

Almost surely, 2^250255393 is an apocalyptic number.

It is an amenable number.

250255393 is a deficient number, since it is larger than the sum of its proper divisors (1).

250255393 is an equidigital number, since it uses as much as digits as its factorization.

250255393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 250255393 is about 15819.4624750653. The cubic root of 250255393 is about 630.1749686186.

The spelling of 250255393 in words is "two hundred fifty million, two hundred fifty-five thousand, three hundred ninety-three".