2641601 has 8 divisors (see below), whose sum is σ = 2703624. Its totient is φ = 2580480.

The previous prime is 2641577. The next prime is 2641631. The reversal of 2641601 is 1061462.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 78400 + 2563201 = 280^2 + 1601^2 .

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 2641601 - 2¹⁰ = 2640577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2641631) 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, 10841 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (337953).

2^2641601 is an apocalyptic number.

It is an amenable number.

2641601 is a deficient number, since it is larger than the sum of its proper divisors (62023).

2641601 is a wasteful number, since it uses less digits than its factorization.

2641601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2641601 is about 1625.3002799483. The cubic root of 2641601 is about 138.2363973070.

The spelling of 2641601 in words is "two million, six hundred forty-one thousand, six hundred one".