10012521 has 8 divisors (see below), whose sum is σ = 13930560. Its totient is φ = 6384752.

The previous prime is 10012517. The next prime is 10012523. The reversal of 10012521 is 12521001.

10012521 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 10012521 - 2² = 10012517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012497 and 10012506.

It is not an unprimeable number, because it can be changed into a prime (10012523) 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, 72486 + ... + 72623.

It is an arithmetic number, because the mean of its divisors is an integer number (1741320).

Almost surely, 2^10012521 is an apocalyptic number.

It is an amenable number.

10012521 is a deficient number, since it is larger than the sum of its proper divisors (3918039).

10012521 is a wasteful number, since it uses less digits than its factorization.

10012521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145135.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 10012521 is about 3164.2567847759. The cubic root of 10012521 is about 215.5333504226.

Adding to 10012521 its reverse (12521001), we get a palindrome (22533522).

It can be divided in two parts, 100 and 12521, that added together give a palindrome (12621).

The spelling of 10012521 in words is "ten million, twelve thousand, five hundred twenty-one".