3251066500 has 96 divisors (see below), whose sum is σ = 7815854592. Its totient is φ = 1171520000.

The previous prime is 3251066479. The next prime is 3251066501. The reversal of 3251066500 is 56601523.

It is not an unprimeable number, because it can be changed into a prime (3251066501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618885 + ... + 624115.

It is an arithmetic number, because the mean of its divisors is an integer number (81415152).

Almost surely, 2^3251066500 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 3251066500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3907927296).

3251066500 is an abundant number, since it is smaller than the sum of its proper divisors (4564788092).

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

3251066500 is a wasteful number, since it uses less digits than its factorization.

3251066500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374 (or 5362 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 3251066500 is about 57018.1243114854. The cubic root of 3251066500 is about 1481.4100422303.

The spelling of 3251066500 in words is "three billion, two hundred fifty-one million, sixty-six thousand, five hundred".