1383508625 has 16 divisors (see below), whose sum is σ = 1773290064. Its totient is φ = 1076889600.

The previous prime is 1383508619. The next prime is 1383508631. The reversal of 1383508625 is 5268053831.

1383508625 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1383508619) and next prime (1383508631).

It can be written as a sum of positive squares in 8 ways, for example, as 305305729 + 1078202896 = 17473^2 + 32836^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1383508625 is a prime.

It is a super-2 number, since 2×1383508625² = 3828192230898781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144944 + ... + 154193.

It is an arithmetic number, because the mean of its divisors is an integer number (110830629).

Almost surely, 2^1383508625 is an apocalyptic number.

It is an amenable number.

1383508625 is a deficient number, since it is larger than the sum of its proper divisors (389781439).

1383508625 is an equidigital number, since it uses as much as digits as its factorization.

1383508625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299189 (or 299179 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 1383508625 is about 37195.5457682771. The cubic root of 1383508625 is about 1114.2790287747.

The spelling of 1383508625 in words is "one billion, three hundred eighty-three million, five hundred eight thousand, six hundred twenty-five".