2587495 has 4 divisors (see below), whose sum is σ = 3105000. Its totient is φ = 2069992.

The previous prime is 2587441. The next prime is 2587499. The reversal of 2587495 is 5947852.

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 2587495 - 2¹¹ = 2585447 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587499) 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, 258745 + ... + 258754.

It is an arithmetic number, because the mean of its divisors is an integer number (776250).

2^2587495 is an apocalyptic number.

2587495 is a deficient number, since it is larger than the sum of its proper divisors (517505).

2587495 is an equidigital number, since it uses as much as digits as its factorization.

2587495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517504.

The product of its digits is 100800, while the sum is 40.

The square root of 2587495 is about 1608.5692400391. The cubic root of 2587495 is about 137.2860805847.

The spelling of 2587495 in words is "two million, five hundred eighty-seven thousand, four hundred ninety-five".