1304500000 has 84 divisors (see below), whose sum is σ = 3211482330. Its totient is φ = 521600000.

The previous prime is 1304499991. The next prime is 1304500003. The reversal of 1304500000 is 54031.

It can be written as a sum of positive squares in 7 ways, for example, as 707772816 + 596727184 = 26604^2 + 24428^2 .

It is not an unprimeable number, because it can be changed into a prime (1304500003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 498696 + ... + 501304.

Almost surely, 2^1304500000 is an apocalyptic number.

1304500000 is a gapful number since it is divisible by the number (10) 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 1304500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605741165).

1304500000 is an abundant number, since it is smaller than the sum of its proper divisors (1906982330).

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

1304500000 is an frugal number, since it uses more digits than its factorization.

1304500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2616 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1304500000 is about 36117.8626167164. The cubic root of 1304500000 is about 1092.6507322916.

Adding to 1304500000 its reverse (54031), we get a palindrome (1304554031).

The spelling of 1304500000 in words is "one billion, three hundred four million, five hundred thousand".