5609811 has 8 divisors (see below), whose sum is σ = 7505344. Its totient is φ = 3727080.

The previous prime is 5609809. The next prime is 5609827. The reversal of 5609811 is 1189065.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5609811 - 2¹ = 5609809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5609111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125 + ... + 3966.

It is an arithmetic number, because the mean of its divisors is an integer number (938168).

Almost surely, 2^5609811 is an apocalyptic number.

5609811 is a deficient number, since it is larger than the sum of its proper divisors (1895533).

5609811 is a wasteful number, since it uses less digits than its factorization.

5609811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 5609811 is about 2368.5039581981. The cubic root of 5609811 is about 177.6844449182.

The spelling of 5609811 in words is "five million, six hundred nine thousand, eight hundred eleven".