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BaseRepresentation
bin100000100111
32212022
4200213
531322
613355
76041
oct4047
92768
102087
111628
12125b
13c47
14a91
15942
hex827

2087 has 2 divisors, whose sum is σ = 2088. Its totient is φ = 2086.

The previous prime is 2083. The next prime is 2089. The reversal of 2087 is 7802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2087 - 22 = 2083 is a prime.

Together with 2089, it forms a pair of twin primes.

It is a Chen prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 20 and 87 contains 2087 itself.

It is a plaindrome in base 6 and base 12.

It is a nialpdrome in base 14 and base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043 + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (1044).

2087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087 is an equidigital number, since it uses as much as digits as its factorization.

2087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 2087 is about 45.6836951220. The cubic root of 2087 is about 12.7793122851.

Adding to 2087 its reverse (7802), we get a palindrome (9889).

The spelling of 2087 in words is "two thousand, eighty-seven".