10017621 has 16 divisors (see below), whose sum is σ = 14901120. Its totient is φ = 6651360.

The previous prime is 10017613. The next prime is 10017643. The reversal of 10017621 is 12671001.

10017621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10017621 - 2³ = 10017613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10017594 and 10017603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10017671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7801 + ... + 8993.

It is an arithmetic number, because the mean of its divisors is an integer number (931320).

Almost surely, 2^10017621 is an apocalyptic number.

It is an amenable number.

10017621 is a deficient number, since it is larger than the sum of its proper divisors (4883499).

10017621 is a wasteful number, since it uses less digits than its factorization.

10017621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 10017621 is about 3165.0625586234. The cubic root of 10017621 is about 215.5699390602.

Adding to 10017621 its reverse (12671001), we get a palindrome (22688622).

The spelling of 10017621 in words is "ten million, seventeen thousand, six hundred twenty-one".