5782921 has 2 divisors, whose sum is σ = 5782922. Its totient is φ = 5782920.

The previous prime is 5782891. The next prime is 5782939. The reversal of 5782921 is 1292875.

5782921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4999696 + 783225 = 2236^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 5782921 - 2⁷ = 5782793 is a prime.

It is equal to p₃₉₈₉₀₅ and since 5782921 and 398905 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (5782951) 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, 2891460 + 2891461.

It is an arithmetic number, because the mean of its divisors is an integer number (2891461).

Almost surely, 2^5782921 is an apocalyptic number.

It is an amenable number.

5782921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5782921 is an equidigital number, since it uses as much as digits as its factorization.

5782921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 5782921 is about 2404.7704672172. The cubic root of 5782921 is about 179.4936489555.

The spelling of 5782921 in words is "five million, seven hundred eighty-two thousand, nine hundred twenty-one".