250340231 has 2 divisors, whose sum is σ = 250340232. Its totient is φ = 250340230.

The previous prime is 250340227. The next prime is 250340273. The reversal of 250340231 is 132043052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 250340231 - 2² = 250340227 is a prime.

It is a super-2 number, since 2×250340231² = 125340462514266722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250345231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125170115 + 125170116.

It is an arithmetic number, because the mean of its divisors is an integer number (125170116).

Almost surely, 2^250340231 is an apocalyptic number.

250340231 is a deficient number, since it is larger than the sum of its proper divisors (1).

250340231 is an equidigital number, since it uses as much as digits as its factorization.

250340231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 250340231 is about 15822.1436916747. The cubic root of 250340231 is about 630.2461715380.

Adding to 250340231 its reverse (132043052), we get a palindrome (382383283).

The spelling of 250340231 in words is "two hundred fifty million, three hundred forty thousand, two hundred thirty-one".