1304505532 has 12 divisors (see below), whose sum is σ = 2490419736. Its totient is φ = 592957040.

The previous prime is 1304505481. The next prime is 1304505541. The reversal of 1304505532 is 2355054031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304505532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14823883 + ... + 14823970.

It is an arithmetic number, because the mean of its divisors is an integer number (207534978).

Almost surely, 2^1304505532 is an apocalyptic number.

It is an amenable number.

1304505532 is a deficient number, since it is larger than the sum of its proper divisors (1185914204).

1304505532 is a wasteful number, since it uses less digits than its factorization.

1304505532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29647868 (or 29647866 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1304505532 is about 36117.9391992400. The cubic root of 1304505532 is about 1092.6522768260.

Adding to 1304505532 its reverse (2355054031), we get a palindrome (3659559563).

The spelling of 1304505532 in words is "one billion, three hundred four million, five hundred five thousand, five hundred thirty-two".