505232130 has 64 divisors (see below), whose sum is σ = 1308343680. Its totient is φ = 124125696.

The previous prime is 505232089. The next prime is 505232137. The reversal of 505232130 is 31232505.

505232130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 505232097 and 505232106.

It is not an unprimeable number, because it can be changed into a prime (505232137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287334 + ... + 289086.

It is an arithmetic number, because the mean of its divisors is an integer number (20442870).

Almost surely, 2^505232130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505232130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654171840).

505232130 is an abundant number, since it is smaller than the sum of its proper divisors (803111550).

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

505232130 is a wasteful number, since it uses less digits than its factorization.

505232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 505232130 is about 22477.3692855725. The cubic root of 505232130 is about 796.4594212020.

Adding to 505232130 its reverse (31232505), we get a palindrome (536464635).

The spelling of 505232130 in words is "five hundred five million, two hundred thirty-two thousand, one hundred thirty".