4719661 has 2 divisors, whose sum is σ = 4719662. Its totient is φ = 4719660.

The previous prime is 4719647. The next prime is 4719667. The reversal of 4719661 is 1669174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2499561 + 2220100 = 1581^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 4719661 - 2¹¹ = 4717613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4719667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2359830 + 2359831.

It is an arithmetic number, because the mean of its divisors is an integer number (2359831).

Almost surely, 2^4719661 is an apocalyptic number.

It is an amenable number.

4719661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4719661 is an equidigital number, since it uses as much as digits as its factorization.

4719661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 4719661 is about 2172.4780781403. The cubic root of 4719661 is about 167.7401145262.

The spelling of 4719661 in words is "four million, seven hundred nineteen thousand, six hundred sixty-one".