5213081 has 2 divisors, whose sum is σ = 5213082. Its totient is φ = 5213080.

The previous prime is 5213077. The next prime is 5213083. The reversal of 5213081 is 1803125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5040025 + 173056 = 2245^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 5213081 - 2² = 5213077 is a prime.

It is a super-2 number, since 2×5213081² = 54352427025122, which contains 22 as substring.

Together with 5213083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5213083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606540 + 2606541.

It is an arithmetic number, because the mean of its divisors is an integer number (2606541).

Almost surely, 2^5213081 is an apocalyptic number.

It is an amenable number.

5213081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5213081 is an equidigital number, since it uses as much as digits as its factorization.

5213081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 5213081 is about 2283.2172476573. The cubic root of 5213081 is about 173.3929721634.

The spelling of 5213081 in words is "five million, two hundred thirteen thousand, eighty-one".