5287813 has 2 divisors, whose sum is σ = 5287814. Its totient is φ = 5287812.

The previous prime is 5287801. The next prime is 5287819. The reversal of 5287813 is 3187825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3526884 + 1760929 = 1878^2 + 1327^2 .

It is a cyclic number.

It is not a de Polignac number, because 5287813 - 2¹³ = 5279621 is a prime.

It is equal to p₃₆₇₀₉₉ and since 5287813 and 367099 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5287819) 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, 2643906 + 2643907.

It is an arithmetic number, because the mean of its divisors is an integer number (2643907).

Almost surely, 2^5287813 is an apocalyptic number.

It is an amenable number.

5287813 is a deficient number, since it is larger than the sum of its proper divisors (1).

5287813 is an equidigital number, since it uses as much as digits as its factorization.

5287813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 34.

The square root of 5287813 is about 2299.5245160685. The cubic root of 5287813 is about 174.2176011018.

The spelling of 5287813 in words is "five million, two hundred eighty-seven thousand, eight hundred thirteen".