4454621 has 2 divisors, whose sum is σ = 4454622. Its totient is φ = 4454620.

The previous prime is 4454599. The next prime is 4454657. The reversal of 4454621 is 1264544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4305625 + 148996 = 2075^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 4454621 - 2¹⁴ = 4438237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4454321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227310 + 2227311.

It is an arithmetic number, because the mean of its divisors is an integer number (2227311).

Almost surely, 2^4454621 is an apocalyptic number.

It is an amenable number.

4454621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4454621 is an equidigital number, since it uses as much as digits as its factorization.

4454621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 26.

The square root of 4454621 is about 2110.5973088204. The cubic root of 4454621 is about 164.5395303538.

The spelling of 4454621 in words is "four million, four hundred fifty-four thousand, six hundred twenty-one".