538981117 has 2 divisors, whose sum is σ = 538981118. Its totient is φ = 538981116.

The previous prime is 538981111. The next prime is 538981123. The reversal of 538981117 is 711189835.

It is a balanced prime because it is at equal distance from previous prime (538981111) and next prime (538981123).

It can be written as a sum of positive squares in only one way, i.e., 427910596 + 111070521 = 20686^2 + 10539^2 .

It is a cyclic number.

It is not a de Polignac number, because 538981117 - 2¹¹ = 538979069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538981111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269490558 + 269490559.

It is an arithmetic number, because the mean of its divisors is an integer number (269490559).

Almost surely, 2^538981117 is an apocalyptic number.

It is an amenable number.

538981117 is a deficient number, since it is larger than the sum of its proper divisors (1).

538981117 is an equidigital number, since it uses as much as digits as its factorization.

538981117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 43.

The square root of 538981117 is about 23215.9668547317. The cubic root of 538981117 is about 813.8128006760.

The spelling of 538981117 in words is "five hundred thirty-eight million, nine hundred eighty-one thousand, one hundred seventeen".