538182533 has 6 divisors (see below), whose sum is σ = 626049126. Its totient is φ = 461299272.

The previous prime is 538182521. The next prime is 538182553. The reversal of 538182533 is 335281835.

It can be written as a sum of positive squares in only one way, i.e., 464531809 + 73650724 = 21553^2 + 8582^2 .

It is not a de Polignac number, because 538182533 - 2¹⁰ = 538181509 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 (538182553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5491610 + ... + 5491707.

It is an arithmetic number, because the mean of its divisors is an integer number (104341521).

Almost surely, 2^538182533 is an apocalyptic number.

It is an amenable number.

538182533 is a deficient number, since it is larger than the sum of its proper divisors (87866593).

538182533 is a wasteful number, since it uses less digits than its factorization.

538182533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10983331 (or 10983324 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 538182533 is about 23198.7614540087. The cubic root of 538182533 is about 813.4106721039.

The spelling of 538182533 in words is "five hundred thirty-eight million, one hundred eighty-two thousand, five hundred thirty-three".