2600641 has 4 divisors (see below), whose sum is σ = 2603952. Its totient is φ = 2597332.

The previous prime is 2600627. The next prime is 2600681. The reversal of 2600641 is 1460062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2600641 - 2¹¹ = 2598593 is a prime.

It is a super-2 number, since 2×2600641² = 13526667221762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2600681) 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, 270 + ... + 2296.

It is an arithmetic number, because the mean of its divisors is an integer number (650988).

2^2600641 is an apocalyptic number.

It is an amenable number.

2600641 is a deficient number, since it is larger than the sum of its proper divisors (3311).

2600641 is a wasteful number, since it uses less digits than its factorization.

2600641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2600641 is about 1612.6503030726. The cubic root of 2600641 is about 137.5181860243.

The spelling of 2600641 in words is "two million, six hundred thousand, six hundred forty-one".