1325302804 has 54 divisors (see below), whose sum is σ = 2757462666. Its totient is φ = 555720480.

The previous prime is 1325302799. The next prime is 1325302829. The reversal of 1325302804 is 4082035231.

It can be written as a sum of positive squares in only one way, i.e., 1309716100 + 15586704 = 36190^2 + 3948^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 431434 + ... + 434494.

Almost surely, 2^1325302804 is an apocalyptic number.

1325302804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325302804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378731333).

1325302804 is an abundant number, since it is smaller than the sum of its proper divisors (1432159862).

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

1325302804 is a wasteful number, since it uses less digits than its factorization.

1325302804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1325302804 is about 36404.7085416159. The cubic root of 1325302804 is about 1098.4282798564.

The spelling of 1325302804 in words is "one billion, three hundred twenty-five million, three hundred two thousand, eight hundred four".