505430532 has 18 divisors (see below), whose sum is σ = 1277616158. Its totient is φ = 168476832.

The previous prime is 505430501. The next prime is 505430537. The reversal of 505430532 is 235034505.

505430532 is a `hidden beast` number, since 50 + 54 + 30 + 532 = 666.

It can be written as a sum of positive squares in only one way, i.e., 504631296 + 799236 = 22464^2 + 894^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 505430496 and 505430505.

It is not an unprimeable number, because it can be changed into a prime (505430537) 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, 7019833 + ... + 7019904.

Almost surely, 2^505430532 is an apocalyptic number.

It is an amenable number.

505430532 is an abundant number, since it is smaller than the sum of its proper divisors (772185626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505430532 is a wasteful number, since it uses less digits than its factorization.

505430532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14039747 (or 14039742 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 505430532 is about 22481.7822247259. The cubic root of 505430532 is about 796.5636627000.

The spelling of 505430532 in words is "five hundred five million, four hundred thirty thousand, five hundred thirty-two".