538017405 has 16 divisors (see below), whose sum is σ = 869353344. Its totient is φ = 284100800.

The previous prime is 538017397. The next prime is 538017427. The reversal of 538017405 is 504710835.

538017405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 538017405 - 2³ = 538017397 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176049 + ... + 179078.

It is an arithmetic number, because the mean of its divisors is an integer number (54334584).

Almost surely, 2^538017405 is an apocalyptic number.

It is an amenable number.

538017405 is a deficient number, since it is larger than the sum of its proper divisors (331335939).

538017405 is a wasteful number, since it uses less digits than its factorization.

538017405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355236.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 538017405 is about 23195.2021978684. The cubic root of 538017405 is about 813.3274719448.

The spelling of 538017405 in words is "five hundred thirty-eight million, seventeen thousand, four hundred five".