4717861 has 2 divisors, whose sum is σ = 4717862. Its totient is φ = 4717860.

The previous prime is 4717841. The next prime is 4717873. The reversal of 4717861 is 1687174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4124961 + 592900 = 2031^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 4717861 - 2⁷ = 4717733 is a prime.

4717861 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4717841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2358930 + 2358931.

It is an arithmetic number, because the mean of its divisors is an integer number (2358931).

Almost surely, 2^4717861 is an apocalyptic number.

It is an amenable number.

4717861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4717861 is an equidigital number, since it uses as much as digits as its factorization.

4717861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 34.

The square root of 4717861 is about 2172.0637651782. The cubic root of 4717861 is about 167.7187873872.

The spelling of 4717861 in words is "four million, seven hundred seventeen thousand, eight hundred sixty-one".