538946533 has 8 divisors (see below), whose sum is σ = 576928800. Its totient is φ = 501925968.

The previous prime is 538946503. The next prime is 538946567. The reversal of 538946533 is 335649835.

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

It is a cyclic number.

It is not a de Polignac number, because 538946533 - 2⁹ = 538946021 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 (538946503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239266 + ... + 241507.

It is an arithmetic number, because the mean of its divisors is an integer number (72116100).

Almost surely, 2^538946533 is an apocalyptic number.

It is an amenable number.

538946533 is a deficient number, since it is larger than the sum of its proper divisors (37982267).

538946533 is a wasteful number, since it uses less digits than its factorization.

538946533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480851.

The product of its digits is 1166400, while the sum is 46.

The square root of 538946533 is about 23215.2220105688. Note that the first 3 decimals coincide. The cubic root of 538946533 is about 813.7953940650.

The spelling of 538946533 in words is "five hundred thirty-eight million, nine hundred forty-six thousand, five hundred thirty-three".