538332793 has 2 divisors, whose sum is σ = 538332794. Its totient is φ = 538332792.

The previous prime is 538332749. The next prime is 538332811. The reversal of 538332793 is 397233835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347561449 + 190771344 = 18643^2 + 13812^2 .

It is a cyclic number.

It is not a de Polignac number, because 538332793 - 2¹⁷ = 538201721 is a prime.

It is not a weakly prime, because it can be changed into another prime (538332493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269166396 + 269166397.

It is an arithmetic number, because the mean of its divisors is an integer number (269166397).

Almost surely, 2^538332793 is an apocalyptic number.

It is an amenable number.

538332793 is a deficient number, since it is larger than the sum of its proper divisors (1).

538332793 is an equidigital number, since it uses as much as digits as its factorization.

538332793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 43.

The square root of 538332793 is about 23201.9997629515. Note that the first 3 decimals coincide. The cubic root of 538332793 is about 813.4863661959.

The spelling of 538332793 in words is "five hundred thirty-eight million, three hundred thirty-two thousand, seven hundred ninety-three".