3261345700 has 54 divisors (see below), whose sum is σ = 7312994178. Its totient is φ = 1262419200.

The previous prime is 3261345683. The next prime is 3261345701. The reversal of 3261345700 is 75431623.

It can be written as a sum of positive squares in 3 ways, for example, as 1023488064 + 2237857636 = 31992^2 + 47306^2 .

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (3261345701) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 79132 + ... + 113068.

Almost surely, 2^3261345700 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 3261345700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3656497089).

3261345700 is an abundant number, since it is smaller than the sum of its proper divisors (4051648478).

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

3261345700 is a wasteful number, since it uses less digits than its factorization.

3261345700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34013 (or 33975 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 3261345700 is about 57108.1929323630. The cubic root of 3261345700 is about 1482.9697036810.

The spelling of 3261345700 in words is "three billion, two hundred sixty-one million, three hundred forty-five thousand, seven hundred".