1255552 has 32 divisors (see below), whose sum is σ = 2653020. Its totient is φ = 589824.

The previous prime is 1255549. The next prime is 1255559. The reversal of 1255552 is 2555521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 968256 + 287296 = 984^2 + 536^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1255559) 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, 1888 + ... + 2464.

2^1255552 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 1255552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326510).

1255552 is an abundant number, since it is smaller than the sum of its proper divisors (1397468).

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

1255552 is an equidigital number, since it uses as much as digits as its factorization.

1255552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 596 counting only the distinct ones).

The product of its digits is 2500, while the sum is 25.

The square root of 1255552 is about 1120.5141676927. The cubic root of 1255552 is about 107.8809845774.

The spelling of 1255552 in words is "one million, two hundred fifty-five thousand, five hundred fifty-two".