2645161 has 8 divisors (see below), whose sum is σ = 2905920. Its totient is φ = 2396592.

The previous prime is 2645141. The next prime is 2645171. The reversal of 2645161 is 1615462.

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

It is a cyclic number.

It is not a de Polignac number, because 2645161 - 2⁵ = 2645129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2645101) 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, 2590 + ... + 3463.

It is an arithmetic number, because the mean of its divisors is an integer number (363240).

2^2645161 is an apocalyptic number.

It is an amenable number.

2645161 is a deficient number, since it is larger than the sum of its proper divisors (260759).

2645161 is a wasteful number, since it uses less digits than its factorization.

2645161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095.

The product of its digits is 1440, while the sum is 25.

The square root of 2645161 is about 1626.3950934505. The cubic root of 2645161 is about 138.2984683348.

The spelling of 2645161 in words is "two million, six hundred forty-five thousand, one hundred sixty-one".