2681601 has 16 divisors (see below), whose sum is σ = 3984960. Its totient is φ = 1592640.

The previous prime is 2681579. The next prime is 2681611. The reversal of 2681601 is 1061862.

It is not a de Polignac number, because 2681601 - 2⁷ = 2681473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2681611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55 + ... + 2316.

It is an arithmetic number, because the mean of its divisors is an integer number (249060).

2^2681601 is an apocalyptic number.

It is an amenable number.

2681601 is a deficient number, since it is larger than the sum of its proper divisors (1303359).

2681601 is a wasteful number, since it uses less digits than its factorization.

2681601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2681601 is about 1637.5594645691. The cubic root of 2681601 is about 138.9306453174.

The spelling of 2681601 in words is "two million, six hundred eighty-one thousand, six hundred one".