3261552 has 80 divisors (see below), whose sum is σ = 10213632. Its totient is φ = 875520.

The previous prime is 3261551. The next prime is 3261553. The reversal of 3261552 is 2551623.

It is an interprime number because it is at equal distance from previous prime (3261551) and next prime (3261553).

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

Its product of digits (1800) is a multiple of the sum of its prime divisors (600).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261551) 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, 5427 + ... + 5997.

Almost surely, 2^3261552 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 3261552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5106816).

3261552 is an abundant number, since it is smaller than the sum of its proper divisors (6952080).

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

3261552 is a wasteful number, since it uses less digits than its factorization.

3261552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 600 counting only the distinct ones).

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

The square root of 3261552 is about 1805.9767440363. The cubic root of 3261552 is about 148.3000971980.

The spelling of 3261552 in words is "three million, two hundred sixty-one thousand, five hundred fifty-two".