250564219 has 2 divisors, whose sum is σ = 250564220. Its totient is φ = 250564218.

The previous prime is 250564217. The next prime is 250564247. The reversal of 250564219 is 912465052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 250564219 - 2¹ = 250564217 is a prime.

It is a super-2 number, since 2×250564219² = 125564855686159922, which contains 22 as substring.

Together with 250564217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (250564213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125282109 + 125282110.

It is an arithmetic number, because the mean of its divisors is an integer number (125282110).

Almost surely, 2^250564219 is an apocalyptic number.

250564219 is a deficient number, since it is larger than the sum of its proper divisors (1).

250564219 is an equidigital number, since it uses as much as digits as its factorization.

250564219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 250564219 is about 15829.2204166851. The cubic root of 250564219 is about 630.4340831351.

The spelling of 250564219 in words is "two hundred fifty million, five hundred sixty-four thousand, two hundred nineteen".