538005379 has 6 divisors (see below), whose sum is σ = 550809996. Its totient is φ = 525491820.

The previous prime is 538005367. The next prime is 538005383. The reversal of 538005379 is 973500835.

It is a happy number.

It is not a de Polignac number, because 538005379 - 2²³ = 529616771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538005319) 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 in 5 ways as a sum of consecutive naturals, for example, 143637 + ... + 147334.

It is an arithmetic number, because the mean of its divisors is an integer number (91801666).

Almost surely, 2^538005379 is an apocalyptic number.

538005379 is a deficient number, since it is larger than the sum of its proper divisors (12804617).

538005379 is an equidigital number, since it uses as much as digits as its factorization.

538005379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291057 (or 291014 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 538005379 is about 23194.9429617751. The cubic root of 538005379 is about 813.3214119494.

The spelling of 538005379 in words is "five hundred thirty-eight million, five thousand, three hundred seventy-nine".