1005240520 has 32 divisors (see below), whose sum is σ = 2262712320. Its totient is φ = 401932480.

The previous prime is 1005240517. The next prime is 1005240529. The reversal of 1005240520 is 250425001.

1005240520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1005240529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160569 + ... + 166711.

It is an arithmetic number, because the mean of its divisors is an integer number (70709760).

Almost surely, 2^1005240520 is an apocalyptic number.

1005240520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005240520 is an abundant number, since it is smaller than the sum of its proper divisors (1257471800).

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

1005240520 is a wasteful number, since it uses less digits than its factorization.

1005240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10245 (or 10241 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1005240520 is about 31705.5282245857. The cubic root of 1005240520 is about 1001.7437974031.

Adding to 1005240520 its reverse (250425001), we get a palindrome (1255665521).

The spelling of 1005240520 in words is "one billion, five million, two hundred forty thousand, five hundred twenty".