6961871 has 8 divisors (see below), whose sum is σ = 8119200. Its totient is φ = 5967024.

The previous prime is 6961853. The next prime is 6961879. The reversal of 6961871 is 1781696.

It is not a de Polignac number, because 6961871 - 2¹⁸ = 6699727 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6961879) 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, 9806 + ... + 10491.

It is an arithmetic number, because the mean of its divisors is an integer number (1014900).

Almost surely, 2^6961871 is an apocalyptic number.

6961871 is a deficient number, since it is larger than the sum of its proper divisors (1157329).

6961871 is an equidigital number, since it uses as much as digits as its factorization.

6961871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20318 (or 20304 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 6961871 is about 2638.5357681866. The cubic root of 6961871 is about 190.9451611979.

The spelling of 6961871 in words is "six million, nine hundred sixty-one thousand, eight hundred seventy-one".