5101609 has 2 divisors, whose sum is σ = 5101610. Its totient is φ = 5101608.

The previous prime is 5101573. The next prime is 5101627. The reversal of 5101609 is 9061015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5076009 + 25600 = 2253^2 + 160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5101609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5101609.

It is not a weakly prime, because it can be changed into another prime (5101669) 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, 2550804 + 2550805.

It is an arithmetic number, because the mean of its divisors is an integer number (2550805).

Almost surely, 2^5101609 is an apocalyptic number.

It is an amenable number.

5101609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5101609 is an equidigital number, since it uses as much as digits as its factorization.

5101609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 5101609 is about 2258.6741686219. The cubic root of 5101609 is about 172.1481619517.

The spelling of 5101609 in words is "five million, one hundred one thousand, six hundred nine".