1382165925 has 48 divisors (see below), whose sum is σ = 2749109760. Its totient is φ = 598587840.

The previous prime is 1382165923. The next prime is 1382165947. The reversal of 1382165925 is 5295612831.

It is not a de Polignac number, because 1382165925 - 2¹ = 1382165923 is a prime.

It is a super-2 number, since 2×1382165925² = 3820765288462211250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382165923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59307 + ... + 79256.

It is an arithmetic number, because the mean of its divisors is an integer number (57273120).

Almost surely, 2^1382165925 is an apocalyptic number.

1382165925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1382165925 is a deficient number, since it is larger than the sum of its proper divisors (1366943835).

1382165925 is a wasteful number, since it uses less digits than its factorization.

1382165925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138602 (or 138597 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 1382165925 is about 37177.4921827710. The cubic root of 1382165925 is about 1113.9184415234.

The spelling of 1382165925 in words is "one billion, three hundred eighty-two million, one hundred sixty-five thousand, nine hundred twenty-five".