538368505 has 8 divisors (see below), whose sum is σ = 655141824. Its totient is φ = 424628400.

The previous prime is 538368497. The next prime is 538368533. The reversal of 538368505 is 505863835.

538368505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 538368505 - 2³ = 538368497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757911 + ... + 758620.

It is an arithmetic number, because the mean of its divisors is an integer number (81892728).

Almost surely, 2^538368505 is an apocalyptic number.

It is an amenable number.

538368505 is a deficient number, since it is larger than the sum of its proper divisors (116773319).

538368505 is a wasteful number, since it uses less digits than its factorization.

538368505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516607.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 538368505 is about 23202.7693390250. The cubic root of 538368505 is about 813.5043541909.

The spelling of 538368505 in words is "five hundred thirty-eight million, three hundred sixty-eight thousand, five hundred five".