5719661 has 2 divisors, whose sum is σ = 5719662. Its totient is φ = 5719660.

The previous prime is 5719657. The next prime is 5719673. The reversal of 5719661 is 1669175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5221225 + 498436 = 2285^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 5719661 - 2² = 5719657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5719621) 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, 2859830 + 2859831.

It is an arithmetic number, because the mean of its divisors is an integer number (2859831).

Almost surely, 2^5719661 is an apocalyptic number.

It is an amenable number.

5719661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5719661 is an equidigital number, since it uses as much as digits as its factorization.

5719661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 35.

The square root of 5719661 is about 2391.5812760598. The cubic root of 5719661 is about 178.8367476315.

The spelling of 5719661 in words is "five million, seven hundred nineteen thousand, six hundred sixty-one".