538066013 has 2 divisors, whose sum is σ = 538066014. Its totient is φ = 538066012.

The previous prime is 538065961. The next prime is 538066033. The reversal of 538066013 is 310660835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373764889 + 164301124 = 19333^2 + 12818^2 .

It is a cyclic number.

It is not a de Polignac number, because 538066013 - 2⁶ = 538065949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538066033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269033006 + 269033007.

It is an arithmetic number, because the mean of its divisors is an integer number (269033007).

Almost surely, 2^538066013 is an apocalyptic number.

It is an amenable number.

538066013 is a deficient number, since it is larger than the sum of its proper divisors (1).

538066013 is an equidigital number, since it uses as much as digits as its factorization.

538066013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 538066013 is about 23196.2499770976. The cubic root of 538066013 is about 813.3519649760.

The spelling of 538066013 in words is "five hundred thirty-eight million, sixty-six thousand, thirteen".