2641191 has 16 divisors (see below), whose sum is σ = 4053504. Its totient is φ = 1498464.

The previous prime is 2641187. The next prime is 2641193. The reversal of 2641191 is 1911462.

Added to its reverse (1911462) it gives a triangular number (4552653 = T₃₀₁₇).

It is not a de Polignac number, because 2641191 - 2² = 2641187 is a prime.

2641191 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641193) 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, 3270 + ... + 3996.

It is an arithmetic number, because the mean of its divisors is an integer number (253344).

2^2641191 is an apocalyptic number.

2641191 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2641191 is a deficient number, since it is larger than the sum of its proper divisors (1412313).

2641191 is a wasteful number, since it uses less digits than its factorization.

2641191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910.

The product of its digits is 432, while the sum is 24.

The square root of 2641191 is about 1625.1741445150. The cubic root of 2641191 is about 138.2292450970.

Adding to 2641191 its reverse (1911462), we get a triangular number (4552653 = T₃₀₁₇).

The spelling of 2641191 in words is "two million, six hundred forty-one thousand, one hundred ninety-one".