3255552 has 90 divisors (see below), whose sum is σ = 9769298. Its totient is φ = 1078272.

The previous prime is 3255547. The next prime is 3255557. The reversal of 3255552 is 2555523.

It is an interprime number because it is at equal distance from previous prime (3255547) and next prime (3255557).

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 746496 = 1584^2 + 864^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3255557) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20658 + ... + 20814.

Almost surely, 2^3255552 is an apocalyptic number.

3255552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3255552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4884649).

3255552 is an abundant number, since it is smaller than the sum of its proper divisors (6513746).

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

3255552 is an equidigital number, since it uses as much as digits as its factorization.

3255552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 162 counting only the distinct ones).

The product of its digits is 7500, while the sum is 27.

The square root of 3255552 is about 1804.3148284044. The cubic root of 3255552 is about 148.2091030157.

The spelling of 3255552 in words is "three million, two hundred fifty-five thousand, five hundred fifty-two".