3251243250 has 96 divisors (see below), whose sum is σ = 8815350960. Its totient is φ = 864633600.

The previous prime is 3251243239. The next prime is 3251243263. The reversal of 3251243250 is 523421523.

It is a happy number.

3251243250 is a `hidden beast` number, since 325 + 12 + 4 + 325 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1024064001 + 2227179249 = 32001^2 + 47193^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 918484 + ... + 922016.

Almost surely, 2^3251243250 is an apocalyptic number.

3251243250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3251243250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4407675480).

3251243250 is an abundant number, since it is smaller than the sum of its proper divisors (5564107710).

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

3251243250 is a wasteful number, since it uses less digits than its factorization.

3251243250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965 (or 3952 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3251243250 is about 57019.6742361792. The cubic root of 3251243250 is about 1481.4368882391.

Adding to 3251243250 its reverse (523421523), we get a palindrome (3774664773).

The spelling of 3251243250 in words is "three billion, two hundred fifty-one million, two hundred forty-three thousand, two hundred fifty".