538045793 has 2 divisors, whose sum is σ = 538045794. Its totient is φ = 538045792.

The previous prime is 538045769. The next prime is 538045811. The reversal of 538045793 is 397540835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344919184 + 193126609 = 18572^2 + 13897^2 .

It is a cyclic number.

It is not a de Polignac number, because 538045793 - 2¹² = 538041697 is a prime.

It is not a weakly prime, because it can be changed into another prime (538045723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269022896 + 269022897.

It is an arithmetic number, because the mean of its divisors is an integer number (269022897).

Almost surely, 2^538045793 is an apocalyptic number.

It is an amenable number.

538045793 is a deficient number, since it is larger than the sum of its proper divisors (1).

538045793 is an equidigital number, since it uses as much as digits as its factorization.

538045793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 538045793 is about 23195.8141266910. The cubic root of 538045793 is about 813.3417765218.

The spelling of 538045793 in words is "five hundred thirty-eight million, forty-five thousand, seven hundred ninety-three".