538060381 has 2 divisors, whose sum is σ = 538060382. Its totient is φ = 538060380.

The previous prime is 538060363. The next prime is 538060463. The reversal of 538060381 is 183060835.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523997881 + 14062500 = 22891^2 + 3750^2 .

It is a cyclic number.

It is not a de Polignac number, because 538060381 - 2¹³ = 538052189 is a prime.

It is a super-2 number, since 2×538060381² = 579017947203730322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538060301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269030190 + 269030191.

It is an arithmetic number, because the mean of its divisors is an integer number (269030191).

Almost surely, 2^538060381 is an apocalyptic number.

It is an amenable number.

538060381 is a deficient number, since it is larger than the sum of its proper divisors (1).

538060381 is an equidigital number, since it uses as much as digits as its factorization.

538060381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 538060381 is about 23196.1285778468. The cubic root of 538060381 is about 813.3491271493.

The spelling of 538060381 in words is "five hundred thirty-eight million, sixty thousand, three hundred eighty-one".