2587131 has 12 divisors (see below), whose sum is σ = 3754608. Its totient is φ = 1716624.

The previous prime is 2587129. The next prime is 2587139. The reversal of 2587131 is 1317852.

It is not a de Polignac number, because 2587131 - 2¹ = 2587129 is a prime.

It is a super-2 number, since 2×2587131² = 13386493622322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2587095 and 2587104.

It is not an unprimeable number, because it can be changed into a prime (2587139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1821 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (312884).

2^2587131 is an apocalyptic number.

2587131 is a deficient number, since it is larger than the sum of its proper divisors (1167477).

2587131 is a wasteful number, since it uses less digits than its factorization.

2587131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1359 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 2587131 is about 1608.4560920336. The cubic root of 2587131 is about 137.2796426364.

The spelling of 2587131 in words is "two million, five hundred eighty-seven thousand, one hundred thirty-one".