2616109 has 4 divisors (see below), whose sum is σ = 2640220. Its totient is φ = 2592000.

The previous prime is 2616071. The next prime is 2616139. The reversal of 2616109 is 9016162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9016162 = 2 ⋅4508081.

It can be written as a sum of positive squares in 2 ways, for example, as 1258884 + 1357225 = 1122^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 2616109 - 2⁷ = 2615981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11892 + ... + 12109.

It is an arithmetic number, because the mean of its divisors is an integer number (660055).

2^2616109 is an apocalyptic number.

It is an amenable number.

2616109 is a deficient number, since it is larger than the sum of its proper divisors (24111).

2616109 is a wasteful number, since it uses less digits than its factorization.

2616109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24110.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2616109 is about 1617.4390251258. The cubic root of 2616109 is about 137.7902891912.

The spelling of 2616109 in words is "two million, six hundred sixteen thousand, one hundred nine".