2587263 has 8 divisors (see below), whose sum is σ = 3942528. Its totient is φ = 1478424.

The previous prime is 2587253. The next prime is 2587271. The reversal of 2587263 is 3627852.

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

It is not a de Polignac number, because 2587263 - 2⁸ = 2587007 is a prime.

It is a d-powerful number, because it can be written as 2¹⁸ + 5⁹ + 8⁴ + 7² + 2¹⁸ + 6⁶ + 3¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587253) 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, 61581 + ... + 61622.

It is an arithmetic number, because the mean of its divisors is an integer number (492816).

2^2587263 is an apocalyptic number.

2587263 is a deficient number, since it is larger than the sum of its proper divisors (1355265).

2587263 is a wasteful number, since it uses less digits than its factorization.

2587263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123213.

The product of its digits is 20160, while the sum is 33.

The square root of 2587263 is about 1608.4971246477. The cubic root of 2587263 is about 137.2819773468.

It can be divided in two parts, 2587 and 263, that added together give a triangular number (2850 = T₇₅).

The spelling of 2587263 in words is "two million, five hundred eighty-seven thousand, two hundred sixty-three".