10061621 has 8 divisors (see below), whose sum is σ = 10624320. Its totient is φ = 9502272.

The previous prime is 10061617. The next prime is 10061629. The reversal of 10061621 is 12616001.

It is a happy number.

10061621 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 10061621 - 2² = 10061617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10061621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10061629) 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, 7616 + ... + 8838.

It is an arithmetic number, because the mean of its divisors is an integer number (1328040).

Almost surely, 2^10061621 is an apocalyptic number.

It is an amenable number.

10061621 is a deficient number, since it is larger than the sum of its proper divisors (562699).

10061621 is a wasteful number, since it uses less digits than its factorization.

10061621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 10061621 is about 3172.0058322771. The cubic root of 10061621 is about 215.8850912016.

Adding to 10061621 its reverse (12616001), we get a palindrome (22677622).

The spelling of 10061621 in words is "ten million, sixty-one thousand, six hundred twenty-one".