3538872125 has 24 divisors (see below), whose sum is σ = 4451017272. Its totient is φ = 2809075200.

The previous prime is 3538872109. The next prime is 3538872137. The reversal of 3538872125 is 5212788353.

It can be written as a sum of positive squares in 4 ways, for example, as 412049401 + 3126822724 = 20299^2 + 55918^2 .

It is not a de Polignac number, because 3538872125 - 2⁴ = 3538872109 is a prime.

It is a Duffinian number.

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, 9239684 + ... + 9240066.

It is an arithmetic number, because the mean of its divisors is an integer number (185459053).

Almost surely, 2^3538872125 is an apocalyptic number.

It is an amenable number.

3538872125 is a deficient number, since it is larger than the sum of its proper divisors (912145147).

3538872125 is an frugal number, since it uses more digits than its factorization.

3538872125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 581 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 3538872125 is about 59488.4200916447. The cubic root of 3538872125 is about 1523.8946931194.

The spelling of 3538872125 in words is "three billion, five hundred thirty-eight million, eight hundred seventy-two thousand, one hundred twenty-five".