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10000987 is a prime number
BaseRepresentation
bin100110001001…
…101001011011
3200211002202221
4212021221123
510030012422
6554204511
7151002253
oct46115133
920732687
1010000987
115710987
123423737
1320c2159
141484963
15d283c7
hex989a5b

10000987 has 2 divisors, whose sum is σ = 10000988. Its totient is φ = 10000986.

The previous prime is 10000967. The next prime is 10000993. The reversal of 10000987 is 78900001.

10000987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (78900001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10000987 - 215 = 9968219 is a prime.

It is not a weakly prime, because it can be changed into another prime (10000967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000493 + 5000494.

It is an arithmetic number, because the mean of its divisors is an integer number (5000494).

Almost surely, 210000987 is an apocalyptic number.

10000987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000987 is an equidigital number, since it uses as much as digits as its factorization.

10000987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 10000987 is about 3162.4337147204. The cubic root of 10000987 is about 215.4505568601.

Adding to 10000987 its reverse (78900001), we get a palindrome (88900988).

The spelling of 10000987 in words is "ten million, nine hundred eighty-seven", and thus it is an aban number.