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BaseRepresentation
bin101000011011
310112211
4220123
540322
615551
710354
oct5033
93484
102587
111a42
1215b7
131240
14d2b
15b77
hexa1b

2587 has 4 divisors (see below), whose sum is σ = 2800. Its totient is φ = 2376.

The previous prime is 2579. The next prime is 2591. The reversal of 2587 is 7852.

2587 is nontrivially palindromic in base 6.

2587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2587 - 23 = 2579 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

2587 is a lucky number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87 + ... + 112.

It is an arithmetic number, because the mean of its divisors is an integer number (700).

2587 is a deficient number, since it is larger than the sum of its proper divisors (213).

2587 is a wasteful number, since it uses less digits than its factorization.

2587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its digits is 560, while the sum is 22.

The square root of 2587 is about 50.8625599041. The cubic root of 2587 is about 13.7277325535.

The spelling of 2587 in words is "two thousand, five hundred eighty-seven".

Divisors: 1 13 199 2587