1387583325 has 24 divisors (see below), whose sum is σ = 2549043200. Its totient is φ = 740044080.

The previous prime is 1387583291. The next prime is 1387583341. The reversal of 1387583325 is 5233857831.

1387583325 is a `hidden beast` number, since 1 + 38 + 7 + 583 + 32 + 5 = 666.

It is not a de Polignac number, because 1387583325 - 2⁹ = 1387582813 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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1027165 + ... + 1028514.

Almost surely, 2^1387583325 is an apocalyptic number.

1387583325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1387583325 is a deficient number, since it is larger than the sum of its proper divisors (1161459875).

1387583325 is a wasteful number, since it uses less digits than its factorization.

1387583325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055698 (or 2055687 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 1387583325 is about 37250.2795291525. The cubic root of 1387583325 is about 1115.3718788783.

The spelling of 1387583325 in words is "one billion, three hundred eighty-seven million, five hundred eighty-three thousand, three hundred twenty-five".