250022989 has 2 divisors, whose sum is σ = 250022990. Its totient is φ = 250022988.

The previous prime is 250022963. The next prime is 250022999. The reversal of 250022989 is 989220052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184688100 + 65334889 = 13590^2 + 8083^2 .

It is a cyclic number.

It is not a de Polignac number, because 250022989 - 2¹¹ = 250020941 is a prime.

It is a super-2 number, since 2×250022989² = 125022990056988242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250022909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125011494 + 125011495.

It is an arithmetic number, because the mean of its divisors is an integer number (125011495).

Almost surely, 2^250022989 is an apocalyptic number.

It is an amenable number.

250022989 is a deficient number, since it is larger than the sum of its proper divisors (1).

250022989 is an equidigital number, since it uses as much as digits as its factorization.

250022989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 250022989 is about 15812.1152601415. The cubic root of 250022989 is about 629.9798339056.

The spelling of 250022989 in words is "two hundred fifty million, twenty-two thousand, nine hundred eighty-nine".