505865132 has 24 divisors (see below), whose sum is σ = 893356800. Its totient is φ = 250629120.

The previous prime is 505865123. The next prime is 505865137. The reversal of 505865132 is 231568505.

It is a junction number, because it is equal to n+sod(n) for n = 505865092 and 505865101.

It is not an unprimeable number, because it can be changed into a prime (505865137) 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, 343157 + ... + 344627.

It is an arithmetic number, because the mean of its divisors is an integer number (37223200).

Almost surely, 2^505865132 is an apocalyptic number.

It is an amenable number.

505865132 is a deficient number, since it is larger than the sum of its proper divisors (387491668).

505865132 is a wasteful number, since it uses less digits than its factorization.

505865132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201 (or 2199 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 505865132 is about 22491.4457516630. The cubic root of 505865132 is about 796.7919086337.

The spelling of 505865132 in words is "five hundred five million, eight hundred sixty-five thousand, one hundred thirty-two".