4579621 has 2 divisors, whose sum is σ = 4579622. Its totient is φ = 4579620.

The previous prime is 4579609. The next prime is 4579637. The reversal of 4579621 is 1269754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3744225 + 835396 = 1935^2 + 914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4579621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4579021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2289810 + 2289811.

It is an arithmetic number, because the mean of its divisors is an integer number (2289811).

Almost surely, 2^4579621 is an apocalyptic number.

It is an amenable number.

4579621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4579621 is an equidigital number, since it uses as much as digits as its factorization.

4579621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 4579621 is about 2140.0049065364. The cubic root of 4579621 is about 166.0643893046.

The spelling of 4579621 in words is "four million, five hundred seventy-nine thousand, six hundred twenty-one".