4450521 has 4 divisors (see below), whose sum is σ = 5934032. Its totient is φ = 2967012.

The previous prime is 4450519. The next prime is 4450553. The reversal of 4450521 is 1250544.

4450521 is digitally balanced in base 4, 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.

It is not a de Polignac number, because 4450521 - 2¹ = 4450519 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4450561) 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, 741751 + ... + 741756.

It is an arithmetic number, because the mean of its divisors is an integer number (1483508).

Almost surely, 2^4450521 is an apocalyptic number.

It is an amenable number.

4450521 is a deficient number, since it is larger than the sum of its proper divisors (1483511).

4450521 is a wasteful number, since it uses less digits than its factorization.

4450521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483510.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4450521 is about 2109.6257962018. The cubic root of 4450521 is about 164.4890345391.

The spelling of 4450521 in words is "four million, four hundred fifty thousand, five hundred twenty-one".