538841773 has 2 divisors, whose sum is σ = 538841774. Its totient is φ = 538841772.

The previous prime is 538841761. The next prime is 538841869. The reversal of 538841773 is 377148835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422590249 + 116251524 = 20557^2 + 10782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538841773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538841753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269420886 + 269420887.

It is an arithmetic number, because the mean of its divisors is an integer number (269420887).

Almost surely, 2^538841773 is an apocalyptic number.

It is an amenable number.

538841773 is a deficient number, since it is larger than the sum of its proper divisors (1).

538841773 is an equidigital number, since it uses as much as digits as its factorization.

538841773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 538841773 is about 23212.9656226860. The cubic root of 538841773 is about 813.7426623469.

The spelling of 538841773 in words is "five hundred thirty-eight million, eight hundred forty-one thousand, seven hundred seventy-three".