4454521 has 2 divisors, whose sum is σ = 4454522. Its totient is φ = 4454520.

The previous prime is 4454501. The next prime is 4454537. The reversal of 4454521 is 1254544.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4410000 + 44521 = 2100^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 4454521 - 2¹¹ = 4452473 is a prime.

It is not a weakly prime, because it can be changed into another prime (4454501) 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 as a sum of consecutive naturals, namely, 2227260 + 2227261.

It is an arithmetic number, because the mean of its divisors is an integer number (2227261).

Almost surely, 2^4454521 is an apocalyptic number.

It is an amenable number.

4454521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4454521 is an equidigital number, since it uses as much as digits as its factorization.

4454521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3200, while the sum is 25.

The square root of 4454521 is about 2110.5736187113. The cubic root of 4454521 is about 164.5382991173.

The spelling of 4454521 in words is "four million, four hundred fifty-four thousand, five hundred twenty-one".