538505132 has 24 divisors (see below), whose sum is σ = 1049932800. Its totient is φ = 239566160.

The previous prime is 538505117. The next prime is 538505137. The reversal of 538505132 is 231505835.

It is not an unprimeable number, because it can be changed into a prime (538505137) 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, 128132 + ... + 132267.

It is an arithmetic number, because the mean of its divisors is an integer number (43747200).

Almost surely, 2^538505132 is an apocalyptic number.

It is an amenable number.

538505132 is a deficient number, since it is larger than the sum of its proper divisors (511427668).

538505132 is a wasteful number, since it uses less digits than its factorization.

538505132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260461 (or 260459 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 538505132 is about 23205.7133482253. The cubic root of 538505132 is about 813.5731653351.

The spelling of 538505132 in words is "five hundred thirty-eight million, five hundred five thousand, one hundred thirty-two".