4580621 has 2 divisors, whose sum is σ = 4580622. Its totient is φ = 4580620.

The previous prime is 4580617. The next prime is 4580627. The reversal of 4580621 is 1260854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4368100 + 212521 = 2090^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 4580621 - 2² = 4580617 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 (4580627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2290310 + 2290311.

It is an arithmetic number, because the mean of its divisors is an integer number (2290311).

Almost surely, 2^4580621 is an apocalyptic number.

It is an amenable number.

4580621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4580621 is an equidigital number, since it uses as much as digits as its factorization.

4580621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 4580621 is about 2140.2385381074. The cubic root of 4580621 is about 166.0764756253.

The spelling of 4580621 in words is "four million, five hundred eighty thousand, six hundred twenty-one".