250244081 has 2 divisors, whose sum is σ = 250244082. Its totient is φ = 250244080.

The previous prime is 250244051. The next prime is 250244107. The reversal of 250244081 is 180442052.

It is a happy number.

It is an a-pointer prime, because the next prime (250244107) can be obtained adding 250244081 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163456225 + 86787856 = 12785^2 + 9316^2 .

It is a cyclic number.

It is not a de Polignac number, because 250244081 - 2⁶ = 250244017 is a prime.

It is a super-2 number, since 2×250244081² = 125244200151069122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250244081.

It is not a weakly prime, because it can be changed into another prime (250244051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125122040 + 125122041.

It is an arithmetic number, because the mean of its divisors is an integer number (125122041).

Almost surely, 2^250244081 is an apocalyptic number.

It is an amenable number.

250244081 is a deficient number, since it is larger than the sum of its proper divisors (1).

250244081 is an equidigital number, since it uses as much as digits as its factorization.

250244081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 250244081 is about 15819.1049367529. The cubic root of 250244081 is about 630.1654734564.

The spelling of 250244081 in words is "two hundred fifty million, two hundred forty-four thousand, eighty-one".