2559232 has 36 divisors (see below), whose sum is σ = 5508580. Its totient is φ = 1179648.

The previous prime is 2559229. The next prime is 2559247. The reversal of 2559232 is 2329552.

It can be written as a sum of positive squares in 2 ways, for example, as 665856 + 1893376 = 816^2 + 1376^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2559232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2944 + ... + 3712.

2^2559232 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 2559232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2754290).

2559232 is an abundant number, since it is smaller than the sum of its proper divisors (2949348).

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

2559232 is an equidigital number, since it uses as much as digits as its factorization.

2559232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 784 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 2559232 is about 1599.7599819973. The cubic root of 2559232 is about 136.7843945584.

The spelling of 2559232 in words is "two million, five hundred fifty-nine thousand, two hundred thirty-two".