10454921 has 6 divisors (see below), whose sum is σ = 11034522. Its totient is φ = 9904320.

The previous prime is 10454893. The next prime is 10454923. The reversal of 10454921 is 12945401.

It can be written as a sum of positive squares in only one way, i.e., 10310521 + 144400 = 3211^2 + 380^2 .

It is not a de Polignac number, because 10454921 - 2¹⁰ = 10453897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10454923) 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 5 ways as a sum of consecutive naturals, for example, 14120 + ... + 14841.

It is an arithmetic number, because the mean of its divisors is an integer number (1839087).

Almost surely, 2^10454921 is an apocalyptic number.

It is an amenable number.

10454921 is a deficient number, since it is larger than the sum of its proper divisors (579601).

10454921 is an equidigital number, since it uses as much as digits as its factorization.

10454921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28999 (or 28980 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 10454921 is about 3233.4070266516. The cubic root of 10454921 is about 218.6621354880.

The spelling of 10454921 in words is "ten million, four hundred fifty-four thousand, nine hundred twenty-one".