250135211 has 2 divisors, whose sum is σ = 250135212. Its totient is φ = 250135210.

The previous prime is 250135183. The next prime is 250135231. The reversal of 250135211 is 112531052.

It is a happy number.

It is an a-pointer prime, because the next prime (250135231) can be obtained adding 250135211 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 250135211 - 2⁶ = 250135147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (250135231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125067605 + 125067606.

It is an arithmetic number, because the mean of its divisors is an integer number (125067606).

Almost surely, 2^250135211 is an apocalyptic number.

250135211 is a deficient number, since it is larger than the sum of its proper divisors (1).

250135211 is an equidigital number, since it uses as much as digits as its factorization.

250135211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 250135211 is about 15815.6634701172. The cubic root of 250135211 is about 630.0740746024.

Adding to 250135211 its reverse (112531052), we get a palindrome (362666263).

The spelling of 250135211 in words is "two hundred fifty million, one hundred thirty-five thousand, two hundred eleven".