538058161 has 4 divisors (see below), whose sum is σ = 538117492. Its totient is φ = 537998832.

The previous prime is 538058153. The next prime is 538058179. The reversal of 538058161 is 161850835.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 426629025 + 111429136 = 20655^2 + 10556^2 .

It is a cyclic number.

It is not a de Polignac number, because 538058161 - 2³ = 538058153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538058161.

It is not an unprimeable number, because it can be changed into a prime (538058861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12906 + ... + 35251.

It is an arithmetic number, because the mean of its divisors is an integer number (134529373).

Almost surely, 2^538058161 is an apocalyptic number.

It is an amenable number.

538058161 is a deficient number, since it is larger than the sum of its proper divisors (59331).

538058161 is a wasteful number, since it uses less digits than its factorization.

538058161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59330.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 538058161 is about 23196.0807249846. The cubic root of 538058161 is about 813.3480085403.

The spelling of 538058161 in words is "five hundred thirty-eight million, fifty-eight thousand, one hundred sixty-one".