10021641 has 8 divisors (see below), whose sum is σ = 15271104. Its totient is φ = 5726640.

The previous prime is 10021639. The next prime is 10021663. The reversal of 10021641 is 14612001.

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

It is not a de Polignac number, because 10021641 - 2¹ = 10021639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021641.

It is not an unprimeable number, because it can be changed into a prime (10021601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238590 + ... + 238631.

It is an arithmetic number, because the mean of its divisors is an integer number (1908888).

Almost surely, 2^10021641 is an apocalyptic number.

It is an amenable number.

10021641 is a deficient number, since it is larger than the sum of its proper divisors (5249463).

10021641 is an equidigital number, since it uses as much as digits as its factorization.

10021641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477231.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 10021641 is about 3165.6975534627. The cubic root of 10021641 is about 215.5987707646.

Adding to 10021641 its reverse (14612001), we get a palindrome (24633642).

The spelling of 10021641 in words is "ten million, twenty-one thousand, six hundred forty-one".