3261545700 has 288 divisors, whose sum is σ = 11622589440. Its totient is φ = 689472000.

The previous prime is 3261545689. The next prime is 3261545701. The reversal of 3261545700 is 75451623.

3261545700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3261545701) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1714750 + ... + 1716650.

Almost surely, 2^3261545700 is an apocalyptic number.

3261545700 is a gapful number since it is divisible by the number (30) 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 3261545700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5811294720).

3261545700 is an abundant number, since it is smaller than the sum of its proper divisors (8361043740).

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

3261545700 is a wasteful number, since it uses less digits than its factorization.

3261545700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1980 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 3261545700 is about 57109.9439677540. The cubic root of 3261545700 is about 1483.0000171267. Note that the first 4 decimals are identical.

The spelling of 3261545700 in words is "three billion, two hundred sixty-one million, five hundred forty-five thousand, seven hundred".