505540132 has 6 divisors (see below), whose sum is σ = 884695238. Its totient is φ = 252770064.

The previous prime is 505540117. The next prime is 505540153. The reversal of 505540132 is 231045505.

It can be written as a sum of positive squares in only one way, i.e., 450543076 + 54997056 = 21226^2 + 7416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 505540097 and 505540106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63192513 + ... + 63192520.

Almost surely, 2^505540132 is an apocalyptic number.

It is an amenable number.

505540132 is a deficient number, since it is larger than the sum of its proper divisors (379155106).

505540132 is a wasteful number, since it uses less digits than its factorization.

505540132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126385037 (or 126385035 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 505540132 is about 22484.2196217703. The cubic root of 505540132 is about 796.6212354439.

Adding to 505540132 its reverse (231045505), we get a palindrome (736585637).

The spelling of 505540132 in words is "five hundred five million, five hundred forty thousand, one hundred thirty-two".