5165611 has 8 divisors (see below), whose sum is σ = 5683248. Its totient is φ = 4694800.

The previous prime is 5165597. The next prime is 5165621. The reversal of 5165611 is 1165615.

It is not a de Polignac number, because 5165611 - 2⁵ = 5165579 is a prime.

It is an Ulam number.

It is a Duffinian number.

5165611 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165621) 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, 610 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (710406).

Almost surely, 2^5165611 is an apocalyptic number.

5165611 is a deficient number, since it is larger than the sum of its proper divisors (517637).

5165611 is an equidigital number, since it uses as much as digits as its factorization.

5165611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914 (or 3892 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 5165611 is about 2272.7980552614. The cubic root of 5165611 is about 172.8650645720.

It can be divided in two parts, 5165 and 611, that added together give a square (5776 = 76²).

The spelling of 5165611 in words is "five million, one hundred sixty-five thousand, six hundred eleven".