10042521 has 8 divisors (see below), whose sum is σ = 13701600. Its totient is φ = 6539232.

The previous prime is 10042489. The next prime is 10042523. The reversal of 10042521 is 12524001.

10042521 is nontrivially palindromic in base 2.

10042521 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 not a de Polignac number, because 10042521 - 2⁵ = 10042489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10042521.

It is not an unprimeable number, because it can be changed into a prime (10042523) 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, 38796 + ... + 39053.

It is an arithmetic number, because the mean of its divisors is an integer number (1712700).

Almost surely, 2^10042521 is an apocalyptic number.

It is an amenable number.

10042521 is a deficient number, since it is larger than the sum of its proper divisors (3659079).

10042521 is an equidigital number, since it uses as much as digits as its factorization.

10042521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77895.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10042521 is about 3168.9936888546. The cubic root of 10042521 is about 215.7483996038.

Adding to 10042521 its reverse (12524001), we get a palindrome (22566522).

The spelling of 10042521 in words is "ten million, forty-two thousand, five hundred twenty-one".