505701030 has 16 divisors (see below), whose sum is σ = 1213682544. Its totient is φ = 134853600.

The previous prime is 505701029. The next prime is 505701073. The reversal of 505701030 is 30107505.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 505700988 and 505701006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8428321 + ... + 8428380.

It is an arithmetic number, because the mean of its divisors is an integer number (75855159).

Almost surely, 2^505701030 is an apocalyptic number.

505701030 is an abundant number, since it is smaller than the sum of its proper divisors (707981514).

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

505701030 is a wasteful number, since it uses less digits than its factorization.

505701030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16856711.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 505701030 is about 22487.7973576782. The cubic root of 505701030 is about 796.7057398909.

Adding to 505701030 its reverse (30107505), we get a palindrome (535808535).

The spelling of 505701030 in words is "five hundred five million, seven hundred one thousand, thirty".