4871609 has 2 divisors, whose sum is σ = 4871610. Its totient is φ = 4871608.

The previous prime is 4871569. The next prime is 4871617. The reversal of 4871609 is 9061784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3988009 + 883600 = 1997^2 + 940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4871609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4870609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435804 + 2435805.

It is an arithmetic number, because the mean of its divisors is an integer number (2435805).

Almost surely, 2^4871609 is an apocalyptic number.

It is an amenable number.

4871609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4871609 is an equidigital number, since it uses as much as digits as its factorization.

4871609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 4871609 is about 2207.1721727133. The cubic root of 4871609 is about 169.5212481665.

The spelling of 4871609 in words is "four million, eight hundred seventy-one thousand, six hundred nine".