5284921 has 2 divisors, whose sum is σ = 5284922. Its totient is φ = 5284920.

The previous prime is 5284891. The next prime is 5284927. The reversal of 5284921 is 1294825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 2595321 = 1640^2 + 1611^2 .

It is a cyclic number.

It is not a de Polignac number, because 5284921 - 2¹¹ = 5282873 is a prime.

It is equal to p₃₆₆₉₁₆ and since 5284921 and 366916 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 (5284927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2642460 + 2642461.

It is an arithmetic number, because the mean of its divisors is an integer number (2642461).

Almost surely, 2^5284921 is an apocalyptic number.

It is an amenable number.

5284921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5284921 is an equidigital number, since it uses as much as digits as its factorization.

5284921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 5284921 is about 2298.8956044153. The cubic root of 5284921 is about 174.1858343970.

The spelling of 5284921 in words is "five million, two hundred eighty-four thousand, nine hundred twenty-one".