505411530 has 64 divisors (see below), whose sum is σ = 1383153408. Its totient is φ = 117089280.

The previous prime is 505411519. The next prime is 505411531. The reversal of 505411530 is 35114505.

It is a self number, because there is not a number n which added to its sum of digits gives 505411530.

It is not an unprimeable number, because it can be changed into a prime (505411531) 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, 31486 + ... + 44745.

It is an arithmetic number, because the mean of its divisors is an integer number (21611772).

Almost surely, 2^505411530 is an apocalyptic number.

505411530 is an abundant number, since it is smaller than the sum of its proper divisors (877741878).

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

505411530 is a wasteful number, since it uses less digits than its factorization.

505411530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76271.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 505411530 is about 22481.3596119096. The cubic root of 505411530 is about 796.5536801264.

The spelling of 505411530 in words is "five hundred five million, four hundred eleven thousand, five hundred thirty".