5718641 has 2 divisors, whose sum is σ = 5718642. Its totient is φ = 5718640.

The previous prime is 5718623. The next prime is 5718649. The reversal of 5718641 is 1468175.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 633616 = 2255^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 5718641 - 2⁶ = 5718577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5718598 and 5718607.

It is not a weakly prime, because it can be changed into another prime (5718649) 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, 2859320 + 2859321.

It is an arithmetic number, because the mean of its divisors is an integer number (2859321).

Almost surely, 2^5718641 is an apocalyptic number.

It is an amenable number.

5718641 is a deficient number, since it is larger than the sum of its proper divisors (1).

5718641 is an equidigital number, since it uses as much as digits as its factorization.

5718641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 32.

The square root of 5718641 is about 2391.3680185199. The cubic root of 5718641 is about 178.8261162131.

The spelling of 5718641 in words is "five million, seven hundred eighteen thousand, six hundred forty-one".