10520506 has 8 divisors (see below), whose sum is σ = 16207380. Its totient is φ = 5118048.

The previous prime is 10520449. The next prime is 10520507. The reversal of 10520506 is 60502501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10208025 + 312481 = 3195^2 + 559^2 .

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

It is a super-2 number, since 2×10520506² = 221362092992072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71011 + ... + 71158.

Almost surely, 2^10520506 is an apocalyptic number.

10520506 is a deficient number, since it is larger than the sum of its proper divisors (5686874).

10520506 is a wasteful number, since it uses less digits than its factorization.

10520506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142208.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 10520506 is about 3243.5329503490. The cubic root of 10520506 is about 219.1184141694.

It can be divided in two parts, 10520 and 506, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 10520506 in words is "ten million, five hundred twenty thousand, five hundred six".