2458321 has 2 divisors, whose sum is σ = 2458322. Its totient is φ = 2458320.

The previous prime is 2458303. The next prime is 2458327. The reversal of 2458321 is 1238542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1718721 + 739600 = 1311^2 + 860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2458321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2458327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1229160 + 1229161.

It is an arithmetic number, because the mean of its divisors is an integer number (1229161).

2^2458321 is an apocalyptic number.

It is an amenable number.

2458321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2458321 is an equidigital number, since it uses as much as digits as its factorization.

2458321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 25.

The square root of 2458321 is about 1567.9033771250. The cubic root of 2458321 is about 134.9624220970.

The spelling of 2458321 in words is "two million, four hundred fifty-eight thousand, three hundred twenty-one".