1325043330 has 128 divisors (see below), whose sum is σ = 3535902720. Its totient is φ = 315709440.

The previous prime is 1325043329. The next prime is 1325043373. The reversal of 1325043330 is 333405231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325043330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2766031 + ... + 2766509.

It is an arithmetic number, because the mean of its divisors is an integer number (27624240).

Almost surely, 2^1325043330 is an apocalyptic number.

1325043330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325043330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1767951360).

1325043330 is an abundant number, since it is smaller than the sum of its proper divisors (2210859390).

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

1325043330 is a wasteful number, since it uses less digits than its factorization.

1325043330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 1325043330 is about 36401.1446248604. The cubic root of 1325043330 is about 1098.3565900305.

Adding to 1325043330 its reverse (333405231), we get a palindrome (1658448561).

The spelling of 1325043330 in words is "one billion, three hundred twenty-five million, forty-three thousand, three hundred thirty".