3138241525 has 12 divisors (see below), whose sum is σ = 4025607300. Its totient is φ = 2424020480.

The previous prime is 3138241511. The next prime is 3138241541. The reversal of 3138241525 is 5251428313.

It can be written as a sum of positive squares in 6 ways, for example, as 177902244 + 2960339281 = 13338^2 + 54409^2 .

It is not a de Polignac number, because 3138241525 - 2⁵ = 3138241493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2163580 + ... + 2165029.

It is an arithmetic number, because the mean of its divisors is an integer number (335467275).

Almost surely, 2^3138241525 is an apocalyptic number.

It is an amenable number.

3138241525 is a deficient number, since it is larger than the sum of its proper divisors (887365775).

3138241525 is a wasteful number, since it uses less digits than its factorization.

3138241525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328648 (or 4328643 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 3138241525 is about 56020.0100410559. The cubic root of 3138241525 is about 1464.0709435211.

Adding to 3138241525 its reverse (5251428313), we get a palindrome (8389669838).

The spelling of 3138241525 in words is "three billion, one hundred thirty-eight million, two hundred forty-one thousand, five hundred twenty-five".