1325634384 has 40 divisors (see below), whose sum is σ = 3434467680. Its totient is φ = 440599168.

The previous prime is 1325634383. The next prime is 1325634391. The reversal of 1325634384 is 4834365231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325634383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23139 + ... + 56450.

It is an arithmetic number, because the mean of its divisors is an integer number (85861692).

Almost surely, 2^1325634384 is an apocalyptic number.

It is an amenable number.

1325634384 is an abundant number, since it is smaller than the sum of its proper divisors (2108833296).

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

1325634384 is a wasteful number, since it uses less digits than its factorization.

1325634384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79947 (or 79941 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 1325634384 is about 36409.2623380370. The cubic root of 1325634384 is about 1098.5198781632.

The spelling of 1325634384 in words is "one billion, three hundred twenty-five million, six hundred thirty-four thousand, three hundred eighty-four".