1383374925 has 72 divisors (see below), whose sum is σ = 2527616000. Its totient is φ = 723116160.

The previous prime is 1383374911. The next prime is 1383374959. The reversal of 1383374925 is 5294733831.

It is not a de Polignac number, because 1383374925 - 2⁹ = 1383374413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3963651 + ... + 3963999.

Almost surely, 2^1383374925 is an apocalyptic number.

1383374925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1383374925 is a deficient number, since it is larger than the sum of its proper divisors (1144241075).

1383374925 is a wasteful number, since it uses less digits than its factorization.

1383374925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 659 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 1383374925 is about 37193.7484666442. The cubic root of 1383374925 is about 1114.2431335870.

The spelling of 1383374925 in words is "one billion, three hundred eighty-three million, three hundred seventy-four thousand, nine hundred twenty-five".