1304453632 has 20 divisors (see below), whose sum is σ = 2606360526. Its totient is φ = 652226560.

The previous prime is 1304453627. The next prime is 1304453641. The reversal of 1304453632 is 2363544031.

It can be written as a sum of positive squares in only one way, i.e., 1285652736 + 18800896 = 35856^2 + 4336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1304453594 and 1304453603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273369 + ... + 1274392.

Almost surely, 2^1304453632 is an apocalyptic number.

It is an amenable number.

1304453632 is a deficient number, since it is larger than the sum of its proper divisors (1301906894).

1304453632 is an frugal number, since it uses more digits than its factorization.

1304453632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547779 (or 2547763 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 1304453632 is about 36117.2207125631. The cubic root of 1304453632 is about 1092.6377861744.

Adding to 1304453632 its reverse (2363544031), we get a palindrome (3667997663).

The spelling of 1304453632 in words is "one billion, three hundred four million, four hundred fifty-three thousand, six hundred thirty-two".