1382525444 has 6 divisors (see below), whose sum is σ = 2419419534. Its totient is φ = 691262720.

The previous prime is 1382525437. The next prime is 1382525447. The reversal of 1382525444 is 4445252831.

It can be written as a sum of positive squares in only one way, i.e., 1374184900 + 8340544 = 37070^2 + 2888^2 .

It is a super-2 number, since 2×1382525444² = 3822753206614794272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1382525398 and 1382525407.

It is not an unprimeable number, because it can be changed into a prime (1382525447) by changing a digit.

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 as a sum of consecutive naturals, namely, 172815677 + ... + 172815684.

It is an arithmetic number, because the mean of its divisors is an integer number (403236589).

Almost surely, 2^1382525444 is an apocalyptic number.

It is an amenable number.

1382525444 is a deficient number, since it is larger than the sum of its proper divisors (1036894090).

1382525444 is a wasteful number, since it uses less digits than its factorization.

1382525444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345631365 (or 345631363 counting only the distinct ones).

The product of its digits is 153600, while the sum is 38.

The square root of 1382525444 is about 37182.3270385273. The cubic root of 1382525444 is about 1114.0150146191.

The spelling of 1382525444 in words is "one billion, three hundred eighty-two million, five hundred twenty-five thousand, four hundred forty-four".