1382382561 has 12 divisors (see below), whose sum is σ = 2144103792. Its totient is φ = 789932808.

The previous prime is 1382382539. The next prime is 1382382569. The reversal of 1382382561 is 1652832831.

It is not a de Polignac number, because 1382382561 - 2⁷ = 1382382433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1382382569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4701835 + ... + 4702128.

It is an arithmetic number, because the mean of its divisors is an integer number (178675316).

Almost surely, 2^1382382561 is an apocalyptic number.

It is an amenable number.

1382382561 is a deficient number, since it is larger than the sum of its proper divisors (761721231).

1382382561 is an equidigital number, since it uses as much as digits as its factorization.

1382382561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9403980 (or 9403973 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 1382382561 is about 37180.4056056413. The cubic root of 1382382561 is about 1113.9766357495.

The spelling of 1382382561 in words is "one billion, three hundred eighty-two million, three hundred eighty-two thousand, five hundred sixty-one".