505031530 has 8 divisors (see below), whose sum is σ = 909056772. Its totient is φ = 202012608.

The previous prime is 505031521. The next prime is 505031531. The reversal of 505031530 is 35130505.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 503688249 + 1343281 = 22443^2 + 1159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (505031531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25251567 + ... + 25251586.

Almost surely, 2^505031530 is an apocalyptic number.

505031530 is a deficient number, since it is larger than the sum of its proper divisors (404025242).

505031530 is a wasteful number, since it uses less digits than its factorization.

505031530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50503160.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 505031530 is about 22472.9065765868. The cubic root of 505031530 is about 796.3539971139.

The spelling of 505031530 in words is "five hundred five million, thirty-one thousand, five hundred thirty".