1304531352 has 64 divisors (see below), whose sum is σ = 3659637600. Its totient is φ = 430531200.

The previous prime is 1304531303. The next prime is 1304531353. The reversal of 1304531352 is 2531354031.

1304531352 is a `hidden beast` number, since 1 + 304 + 5 + 3 + 1 + 352 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304531353) 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 15 ways as a sum of consecutive naturals, for example, 8083 + ... + 51714.

Almost surely, 2^1304531352 is an apocalyptic number.

1304531352 is a gapful number since it is divisible by the number (12) 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 1304531352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829818800).

1304531352 is an abundant number, since it is smaller than the sum of its proper divisors (2355106248).

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

1304531352 is a wasteful number, since it uses less digits than its factorization.

1304531352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59913 (or 59903 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1304531352 is about 36118.2966375769. The cubic root of 1304531352 is about 1092.6594857121.

Adding to 1304531352 its reverse (2531354031), we get a palindrome (3835885383).

The spelling of 1304531352 in words is "one billion, three hundred four million, five hundred thirty-one thousand, three hundred fifty-two".