250797133 has 6 divisors (see below), whose sum is σ = 259744394. Its totient is φ = 242148144.

The previous prime is 250797109. The next prime is 250797143. The reversal of 250797133 is 331797052.

It can be written as a sum of positive squares in 3 ways, for example, as 104919049 + 145878084 = 10243^2 + 12078^2 .

It is not a de Polignac number, because 250797133 - 2¹⁷ = 250666061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250797092 and 250797101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250797143) 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 5 ways as a sum of consecutive naturals, for example, 148266 + ... + 149947.

Almost surely, 2^250797133 is an apocalyptic number.

It is an amenable number.

250797133 is a deficient number, since it is larger than the sum of its proper divisors (8947261).

250797133 is an equidigital number, since it uses as much as digits as its factorization.

250797133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298271 (or 298242 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 250797133 is about 15836.5757978169. The cubic root of 250797133 is about 630.6293643426.

The spelling of 250797133 in words is "two hundred fifty million, seven hundred ninety-seven thousand, one hundred thirty-three".