2606081 has 4 divisors (see below), whose sum is σ = 2630100. Its totient is φ = 2582064.

The previous prime is 2606069. The next prime is 2606129. The reversal of 2606081 is 1806062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 874225 + 1731856 = 935^2 + 1316^2 .

It is a cyclic number.

It is not a de Polignac number, because 2606081 - 2⁶ = 2606017 is a prime.

It is a super-2 number, since 2×2606081² = 13583316357122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2606011) 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, 11846 + ... + 12063.

It is an arithmetic number, because the mean of its divisors is an integer number (657525).

2^2606081 is an apocalyptic number.

It is an amenable number.

2606081 is a deficient number, since it is larger than the sum of its proper divisors (24019).

2606081 is a wasteful number, since it uses less digits than its factorization.

2606081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24018.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2606081 is about 1614.3360864454. The cubic root of 2606081 is about 137.6140057235.

The spelling of 2606081 in words is "two million, six hundred six thousand, eighty-one".