10632521 has 4 divisors (see below), whose sum is σ = 10639044. Its totient is φ = 10626000.

The previous prime is 10632499. The next prime is 10632529. The reversal of 10632521 is 12523601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12523601 = 107 ⋅117043.

It can be written as a sum of positive squares in 2 ways, for example, as 5175625 + 5456896 = 2275^2 + 2336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10632521 is a prime.

It is a super-2 number, since 2×10632521² = 226101005630882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10632493 and 10632502.

It is not an unprimeable number, because it can be changed into a prime (10632529) 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, 1571 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (2659761).

Almost surely, 2^10632521 is an apocalyptic number.

It is an amenable number.

10632521 is a deficient number, since it is larger than the sum of its proper divisors (6523).

10632521 is an equidigital number, since it uses as much as digits as its factorization.

10632521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 10632521 is about 3260.7546672511. The cubic root of 10632521 is about 219.8933436180.

The spelling of 10632521 in words is "ten million, six hundred thirty-two thousand, five hundred twenty-one".