3125443132 has 96 divisors (see below), whose sum is σ = 6957232128. Its totient is φ = 1197794304.

The previous prime is 3125443121. The next prime is 3125443141. The reversal of 3125443132 is 2313445213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 3125443132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755253 + ... + 759379.

It is an arithmetic number, because the mean of its divisors is an integer number (72471168).

Almost surely, 2^3125443132 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 3125443132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3478616064).

3125443132 is an abundant number, since it is smaller than the sum of its proper divisors (3831788996).

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

3125443132 is a wasteful number, since it uses less digits than its factorization.

3125443132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235 (or 4233 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 3125443132 is about 55905.6627900967. The cubic root of 3125443132 is about 1462.0779712178.

Adding to 3125443132 its reverse (2313445213), we get a palindrome (5438888345).

The spelling of 3125443132 in words is "three billion, one hundred twenty-five million, four hundred forty-three thousand, one hundred thirty-two".