533138605 has 4 divisors (see below), whose sum is σ = 639766332. Its totient is φ = 426510880.

The previous prime is 533138603. The next prime is 533138629. The reversal of 533138605 is 506831335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94361796 + 438776809 = 9714^2 + 20947^2 .

It is not a de Polignac number, because 533138605 - 2¹ = 533138603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533138603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53313856 + ... + 53313865.

It is an arithmetic number, because the mean of its divisors is an integer number (159941583).

Almost surely, 2^533138605 is an apocalyptic number.

It is an amenable number.

533138605 is a deficient number, since it is larger than the sum of its proper divisors (106627727).

533138605 is a wasteful number, since it uses less digits than its factorization.

533138605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106627726.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 533138605 is about 23089.7943905960. The cubic root of 533138605 is about 810.8615559738.

The spelling of 533138605 in words is "five hundred thirty-three million, one hundred thirty-eight thousand, six hundred five".