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9000913 is a prime number
BaseRepresentation
bin100010010101…
…011111010001
3121221021221011
4202111133101
54301012123
6520530521
7136335505
oct42253721
917837834
109000913
115098579
123020a41
131b31bac
1412a4305
15bcbe0d
hex8957d1

9000913 has 2 divisors, whose sum is σ = 9000914. Its totient is φ = 9000912.

The previous prime is 9000907. The next prime is 9000931. The reversal of 9000913 is 3190009.

9000913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (9000931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8862529 + 138384 = 2977^2 + 372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9000913 is a prime.

It is not a weakly prime, because it can be changed into another prime (9000983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4500456 + 4500457.

It is an arithmetic number, because the mean of its divisors is an integer number (4500457).

Almost surely, 29000913 is an apocalyptic number.

It is an amenable number.

9000913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9000913 is an equidigital number, since it uses as much as digits as its factorization.

9000913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 9000913 is about 3000.1521628077. The cubic root of 9000913 is about 208.0154158323.

The spelling of 9000913 in words is "nine million, nine hundred thirteen", and thus it is an aban number.