2607641 has 4 divisors (see below), whose sum is σ = 2671284. Its totient is φ = 2544000.

The previous prime is 2607637. The next prime is 2607659. The reversal of 2607641 is 1467062.

2607641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1177225 + 1430416 = 1085^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 2607641 - 2² = 2607637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2607641.

It is not an unprimeable number, because it can be changed into a prime (2607601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31760 + ... + 31841.

It is an arithmetic number, because the mean of its divisors is an integer number (667821).

2^2607641 is an apocalyptic number.

It is an amenable number.

2607641 is a deficient number, since it is larger than the sum of its proper divisors (63643).

2607641 is an equidigital number, since it uses as much as digits as its factorization.

2607641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63642.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2607641 is about 1614.8191849244. The cubic root of 2607641 is about 137.6414588262.

The spelling of 2607641 in words is "two million, six hundred seven thousand, six hundred forty-one".