538313841 has 18 divisors (see below), whose sum is σ = 841980438. Its totient is φ = 331269120.

The previous prime is 538313803. The next prime is 538313843. The reversal of 538313841 is 148313835.

It can be written as a sum of positive squares in 3 ways, for example, as 6780816 + 531533025 = 2604^2 + 23055^2 .

It is not a de Polignac number, because 538313841 - 2¹⁴ = 538297457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538313796 and 538313805.

It is not an unprimeable number, because it can be changed into a prime (538313843) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 175440 + ... + 178481.

It is an arithmetic number, because the mean of its divisors is an integer number (46776691).

Almost surely, 2^538313841 is an apocalyptic number.

It is an amenable number.

538313841 is a deficient number, since it is larger than the sum of its proper divisors (303666597).

538313841 is a wasteful number, since it uses less digits than its factorization.

538313841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353953 (or 353937 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 538313841 is about 23201.5913462848. The cubic root of 538313841 is about 813.4768198244.

The spelling of 538313841 in words is "five hundred thirty-eight million, three hundred thirteen thousand, eight hundred forty-one".