2587291 has 8 divisors (see below), whose sum is σ = 3052544. Its totient is φ = 2145960.

The previous prime is 2587289. The next prime is 2587337. The reversal of 2587291 is 1927852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2587291 - 2¹ = 2587289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2587271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5745 + ... + 6178.

It is an arithmetic number, because the mean of its divisors is an integer number (381568).

2^2587291 is an apocalyptic number.

2587291 is a deficient number, since it is larger than the sum of its proper divisors (465253).

2587291 is a wasteful number, since it uses less digits than its factorization.

2587291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961.

The product of its digits is 10080, while the sum is 34.

The square root of 2587291 is about 1608.5058284010. The cubic root of 2587291 is about 137.2824725782.

The spelling of 2587291 in words is "two million, five hundred eighty-seven thousand, two hundred ninety-one".