6872611 has 2 divisors, whose sum is σ = 6872612. Its totient is φ = 6872610.

The previous prime is 6872609. The next prime is 6872617. The reversal of 6872611 is 1162786.

6872611 = T₂₁₃₉ + T₂₁₄₀ + T₂₁₄₁.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6872611 - 2¹ = 6872609 is a prime.

Together with 6872609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6872617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436305 + 3436306.

It is an arithmetic number, because the mean of its divisors is an integer number (3436306).

Almost surely, 2^6872611 is an apocalyptic number.

6872611 is the 2141-st centered triangular number.

6872611 is a deficient number, since it is larger than the sum of its proper divisors (1).

6872611 is an equidigital number, since it uses as much as digits as its factorization.

6872611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 6872611 is about 2621.5665164172. The cubic root of 6872611 is about 190.1255956296.

The spelling of 6872611 in words is "six million, eight hundred seventy-two thousand, six hundred eleven".