1006520 has 16 divisors (see below), whose sum is σ = 2264760. Its totient is φ = 402592.

The previous prime is 1006513. The next prime is 1006531. The reversal of 1006520 is 256001.

It is a junction number, because it is equal to n+sod(n) for n = 1006495 and 1006504.

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 3 ways as a sum of consecutive naturals, for example, 12542 + ... + 12621.

2^1006520 is an apocalyptic number.

1006520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1006520 is an abundant number, since it is smaller than the sum of its proper divisors (1258240).

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

1006520 is a wasteful number, since it uses less digits than its factorization.

1006520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25174 (or 25170 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1006520 is about 1003.2547034527. The cubic root of 1006520 is about 100.2168626991.

The spelling of 1006520 in words is "one million, six thousand, five hundred twenty".