2585016 has 96 divisors (see below), whose sum is σ = 8386560. Its totient is φ = 703296.

The previous prime is 2584999. The next prime is 2585029. The reversal of 2585016 is 6105852.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11481 + ... + 11703.

It is an arithmetic number, because the mean of its divisors is an integer number (87360).

2^2585016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2585016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4193280).

2585016 is an abundant number, since it is smaller than the sum of its proper divisors (5801544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2585016 is a wasteful number, since it uses less digits than its factorization.

2585016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2585016 is about 1607.7984948370. The cubic root of 2585016 is about 137.2422233742.

The spelling of 2585016 in words is "two million, five hundred eighty-five thousand, sixteen".