538512019 has 2 divisors, whose sum is σ = 538512020. Its totient is φ = 538512018.

The previous prime is 538512017. The next prime is 538512071. The reversal of 538512019 is 910215835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538512019 - 2¹ = 538512017 is a prime.

It is a super-2 number, since 2×538512019² = 579990389214912722, which contains 22 as substring.

Together with 538512017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (538512011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269256009 + 269256010.

It is an arithmetic number, because the mean of its divisors is an integer number (269256010).

Almost surely, 2^538512019 is an apocalyptic number.

538512019 is a deficient number, since it is larger than the sum of its proper divisors (1).

538512019 is an equidigital number, since it uses as much as digits as its factorization.

538512019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 538512019 is about 23205.8617379316. The cubic root of 538512019 is about 813.5766336118.

The spelling of 538512019 in words is "five hundred thirty-eight million, five hundred twelve thousand, nineteen".