10529509 has 4 divisors (see below), whose sum is σ = 10626220. Its totient is φ = 10432800.

The previous prime is 10529507. The next prime is 10529521. The reversal of 10529509 is 90592501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90592501 = 1487 ⋅60923.

It can be written as a sum of positive squares in 2 ways, for example, as 6140484 + 4389025 = 2478^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 10529509 - 2¹ = 10529507 is a prime.

It is a super-2 number, since 2×10529509² = 221741119562162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10529507) 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, 48192 + ... + 48409.

It is an arithmetic number, because the mean of its divisors is an integer number (2656555).

Almost surely, 2^10529509 is an apocalyptic number.

It is an amenable number.

10529509 is a deficient number, since it is larger than the sum of its proper divisors (96711).

10529509 is an equidigital number, since it uses as much as digits as its factorization.

10529509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96710.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 10529509 is about 3244.9204920922. The cubic root of 10529509 is about 219.1809004106.

The spelling of 10529509 in words is "ten million, five hundred twenty-nine thousand, five hundred nine".