10066521 has 8 divisors (see below), whose sum is σ = 13649760. Its totient is φ = 6597152.

The previous prime is 10066487. The next prime is 10066559. The reversal of 10066521 is 12566001.

It is a happy number.

10066521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10066521 - 2⁹ = 10066009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10066321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28260 + ... + 28613.

It is an arithmetic number, because the mean of its divisors is an integer number (1706220).

Almost surely, 2^10066521 is an apocalyptic number.

It is an amenable number.

10066521 is a deficient number, since it is larger than the sum of its proper divisors (3583239).

10066521 is an equidigital number, since it uses as much as digits as its factorization.

10066521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56935.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 10066521 is about 3172.7781201969. The cubic root of 10066521 is about 215.9201307932.

The spelling of 10066521 in words is "ten million, sixty-six thousand, five hundred twenty-one".