2641791 has 8 divisors (see below), whose sum is σ = 3604480. Its totient is φ = 1720152.

The previous prime is 2641777. The next prime is 2641799. The reversal of 2641791 is 1971462.

2641791 = 131² + 132² + ... + 216².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2641791 - 2⁵ = 2641759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641799) 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, 10111 + ... + 10368.

It is an arithmetic number, because the mean of its divisors is an integer number (450560).

2^2641791 is an apocalyptic number.

2641791 is a deficient number, since it is larger than the sum of its proper divisors (962689).

2641791 is a wasteful number, since it uses less digits than its factorization.

2641791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20525.

The product of its digits is 3024, while the sum is 30.

The square root of 2641791 is about 1625.3587296348. The cubic root of 2641791 is about 138.2397114948.

The spelling of 2641791 in words is "two million, six hundred forty-one thousand, seven hundred ninety-one".