1325732048 has 20 divisors (see below), whose sum is σ = 2631256068. Its totient is φ = 646698240.

The previous prime is 1325732027. The next prime is 1325732053. The reversal of 1325732048 is 8402375231.

It can be written as a sum of positive squares in 2 ways, for example, as 276490384 + 1049241664 = 16628^2 + 32392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1325731999 and 1325732017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009811 + ... + 1011122.

Almost surely, 2^1325732048 is an apocalyptic number.

It is an amenable number.

1325732048 is a deficient number, since it is larger than the sum of its proper divisors (1305524020).

1325732048 is a wasteful number, since it uses less digits than its factorization.

1325732048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020982 (or 2020976 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1325732048 is about 36410.6035105160. The cubic root of 1325732048 is about 1098.5468547343.

The spelling of 1325732048 in words is "one billion, three hundred twenty-five million, seven hundred thirty-two thousand, forty-eight".