10067521 has 4 divisors (see below), whose sum is σ = 10077652. Its totient is φ = 10057392.

The previous prime is 10067507. The next prime is 10067531. The reversal of 10067521 is 12576001.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 2143296 + 7924225 = 1464^2 + 2815^2 .

It is a cyclic number.

It is not a de Polignac number, because 10067521 - 2¹⁵ = 10034753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10067492 and 10067501.

It is not an unprimeable number, because it can be changed into a prime (10067531) 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, 3390 + ... + 5623.

It is an arithmetic number, because the mean of its divisors is an integer number (2519413).

Almost surely, 2^10067521 is an apocalyptic number.

It is an amenable number.

10067521 is a deficient number, since it is larger than the sum of its proper divisors (10131).

10067521 is an equidigital number, since it uses as much as digits as its factorization.

10067521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 10067521 is about 3172.9357068809. The cubic root of 10067521 is about 215.9272803331.

The spelling of 10067521 in words is "ten million, sixty-seven thousand, five hundred twenty-one".