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250225889 is a prime number
BaseRepresentation
bin11101110101000…
…10010011100001
3122102211210101112
432322202103201
51003024212024
640455113105
76125612354
oct1672422341
9572753345
10250225889
11119278461
126b972795
133cac1474
142533829b
1516e7b00e
hexeea24e1

250225889 has 2 divisors, whose sum is σ = 250225890. Its totient is φ = 250225888.

The previous prime is 250225883. The next prime is 250225897. The reversal of 250225889 is 988522052.

250225889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250177489 + 48400 = 15817^2 + 220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-250225889 is a prime.

It is a super-2 number, since 2×2502258892 = 125225991051680642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (250225883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125112944 + 125112945.

It is an arithmetic number, because the mean of its divisors is an integer number (125112945).

Almost surely, 2250225889 is an apocalyptic number.

It is an amenable number.

250225889 is a deficient number, since it is larger than the sum of its proper divisors (1).

250225889 is an equidigital number, since it uses as much as digits as its factorization.

250225889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 250225889 is about 15818.5299253755. The cubic root of 250225889 is about 630.1502027014.

The spelling of 250225889 in words is "two hundred fifty million, two hundred twenty-five thousand, eight hundred eighty-nine".