10445921 has 4 divisors (see below), whose sum is σ = 10474752. Its totient is φ = 10417092.

The previous prime is 10445917. The next prime is 10445927. The reversal of 10445921 is 12954401.

10445921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12954401 = 41 ⋅315961.

It is a cyclic number.

It is not a de Polignac number, because 10445921 - 2² = 10445917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10445927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13865 + ... + 14598.

It is an arithmetic number, because the mean of its divisors is an integer number (2618688).

Almost surely, 2^10445921 is an apocalyptic number.

It is an amenable number.

10445921 is a deficient number, since it is larger than the sum of its proper divisors (28831).

10445921 is an equidigital number, since it uses as much as digits as its factorization.

10445921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28830.

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

The square root of 10445921 is about 3232.0150061533. The cubic root of 10445921 is about 218.5993732032.

The spelling of 10445921 in words is "ten million, four hundred forty-five thousand, nine hundred twenty-one".