250083221 has 2 divisors, whose sum is σ = 250083222. Its totient is φ = 250083220.

The previous prime is 250083217. The next prime is 250083257. The reversal of 250083221 is 122380052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250082596 + 625 = 15814^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 250083221 - 2² = 250083217 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250083271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125041610 + 125041611.

It is an arithmetic number, because the mean of its divisors is an integer number (125041611).

Almost surely, 2^250083221 is an apocalyptic number.

It is an amenable number.

250083221 is a deficient number, since it is larger than the sum of its proper divisors (1).

250083221 is an equidigital number, since it uses as much as digits as its factorization.

250083221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 250083221 is about 15814.0197609589. The cubic root of 250083221 is about 630.0304184523.

The spelling of 250083221 in words is "two hundred fifty million, eighty-three thousand, two hundred twenty-one".