2645552 has 80 divisors (see below), whose sum is σ = 6666240. Its totient is φ = 988416.

The previous prime is 2645551. The next prime is 2645561. The reversal of 2645552 is 2555462.

It is not an unprimeable number, because it can be changed into a prime (2645551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33449 + ... + 33527.

It is an arithmetic number, because the mean of its divisors is an integer number (83328).

2^2645552 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 2645552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3333120).

2645552 is an abundant number, since it is smaller than the sum of its proper divisors (4020688).

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

2645552 is a wasteful number, since it uses less digits than its factorization.

2645552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 124 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 2645552 is about 1626.5152935033. The cubic root of 2645552 is about 138.3052822915.

The spelling of 2645552 in words is "two million, six hundred forty-five thousand, five hundred fifty-two".