1383805425 has 12 divisors (see below), whose sum is σ = 2287891760. Its totient is φ = 738029520.

The previous prime is 1383805369. The next prime is 1383805433. The reversal of 1383805425 is 5245083831.

It is not a de Polignac number, because 1383805425 - 2²³ = 1375416817 is a prime.

It is an unprimeable number.

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, 9225295 + ... + 9225444.

Almost surely, 2^1383805425 is an apocalyptic number.

1383805425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1383805425 is a deficient number, since it is larger than the sum of its proper divisors (904086335).

1383805425 is a wasteful number, since it uses less digits than its factorization.

1383805425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18450752 (or 18450747 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 1383805425 is about 37199.5352793553. The cubic root of 1383805425 is about 1114.3587040687.

The spelling of 1383805425 in words is "one billion, three hundred eighty-three million, eight hundred five thousand, four hundred twenty-five".