250297133 has 2 divisors, whose sum is σ = 250297134. Its totient is φ = 250297132.

The previous prime is 250297123. The next prime is 250297153. The reversal of 250297133 is 331792052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135443044 + 114854089 = 11638^2 + 10717^2 .

It is a cyclic number.

It is not a de Polignac number, because 250297133 - 2¹² = 250293037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250297133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250297123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125148566 + 125148567.

It is an arithmetic number, because the mean of its divisors is an integer number (125148567).

Almost surely, 2^250297133 is an apocalyptic number.

It is an amenable number.

250297133 is a deficient number, since it is larger than the sum of its proper divisors (1).

250297133 is an equidigital number, since it uses as much as digits as its factorization.

250297133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 250297133 is about 15820.7816810675. The cubic root of 250297133 is about 630.2100022172.

The spelling of 250297133 in words is "two hundred fifty million, two hundred ninety-seven thousand, one hundred thirty-three".