2605056 has 60 divisors (see below), whose sum is σ = 7077672. Its totient is φ = 851968.

The previous prime is 2605039. The next prime is 2605073. The reversal of 2605056 is 6505062.

2605056 = 534² + 535² + ... + 542².

It is an interprime number because it is at equal distance from previous prime (2605039) and next prime (2605073).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49126 + ... + 49178.

2^2605056 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 2605056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3538836).

2605056 is an abundant number, since it is smaller than the sum of its proper divisors (4472616).

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

2605056 is an frugal number, since it uses more digits than its factorization.

2605056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2605056 is about 1614.0185872536. The cubic root of 2605056 is about 137.5959616626.

It can be divided in two parts, 26050 and 56, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 2605056 in words is "two million, six hundred five thousand, fifty-six".