2587245 has 16 divisors (see below), whose sum is σ = 4173120. Its totient is φ = 1368704.

The previous prime is 2587217. The next prime is 2587253. The reversal of 2587245 is 5427852.

It is a cyclic number.

It is not a de Polignac number, because 2587245 - 2⁸ = 2586989 is a prime.

2587245 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426 + ... + 2684.

It is an arithmetic number, because the mean of its divisors is an integer number (260820).

2^2587245 is an apocalyptic number.

It is an amenable number.

2587245 is a deficient number, since it is larger than the sum of its proper divisors (1585875).

2587245 is a wasteful number, since it uses less digits than its factorization.

2587245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404.

The product of its digits is 22400, while the sum is 33.

The square root of 2587245 is about 1608.4915293529. The cubic root of 2587245 is about 137.2816589819.

It can be divided in two parts, 258 and 7245, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 2587245 in words is "two million, five hundred eighty-seven thousand, two hundred forty-five".