538118573 has 2 divisors, whose sum is σ = 538118574. Its totient is φ = 538118572.

The previous prime is 538118569. The next prime is 538118579. The reversal of 538118573 is 375811835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417711844 + 120406729 = 20438^2 + 10973^2 .

It is a cyclic number.

It is not a de Polignac number, because 538118573 - 2² = 538118569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538118573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538118579) 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 as a sum of consecutive naturals, namely, 269059286 + 269059287.

It is an arithmetic number, because the mean of its divisors is an integer number (269059287).

Almost surely, 2^538118573 is an apocalyptic number.

It is an amenable number.

538118573 is a deficient number, since it is larger than the sum of its proper divisors (1).

538118573 is an equidigital number, since it uses as much as digits as its factorization.

538118573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 41.

The square root of 538118573 is about 23197.3828911798. The cubic root of 538118573 is about 813.3784477163.

The spelling of 538118573 in words is "five hundred thirty-eight million, one hundred eighteen thousand, five hundred seventy-three".