538133289 has 4 divisors (see below), whose sum is σ = 717511056. Its totient is φ = 358755524.

The previous prime is 538133287. The next prime is 538133293. The reversal of 538133289 is 982331835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 538133289 - 2¹ = 538133287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538133289.

It is not an unprimeable number, because it can be changed into a prime (538133287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89688879 + ... + 89688884.

It is an arithmetic number, because the mean of its divisors is an integer number (179377764).

Almost surely, 2^538133289 is an apocalyptic number.

It is an amenable number.

538133289 is a deficient number, since it is larger than the sum of its proper divisors (179377767).

538133289 is a wasteful number, since it uses less digits than its factorization.

538133289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179377766.

The product of its digits is 155520, while the sum is 42.

The square root of 538133289 is about 23197.7000799648. The cubic root of 538133289 is about 813.3858621714.

The spelling of 538133289 in words is "five hundred thirty-eight million, one hundred thirty-three thousand, two hundred eighty-nine".