538075849 has 2 divisors, whose sum is σ = 538075850. Its totient is φ = 538075848.

The previous prime is 538075847. The next prime is 538075907. The reversal of 538075849 is 948570835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314423824 + 223652025 = 17732^2 + 14955^2 .

It is a cyclic number.

It is not a de Polignac number, because 538075849 - 2¹ = 538075847 is a prime.

Together with 538075847, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (538075847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269037924 + 269037925.

It is an arithmetic number, because the mean of its divisors is an integer number (269037925).

Almost surely, 2^538075849 is an apocalyptic number.

It is an amenable number.

538075849 is a deficient number, since it is larger than the sum of its proper divisors (1).

538075849 is an equidigital number, since it uses as much as digits as its factorization.

538075849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 538075849 is about 23196.4619931575. The cubic root of 538075849 is about 813.3569210477.

The spelling of 538075849 in words is "five hundred thirty-eight million, seventy-five thousand, eight hundred forty-nine".