3061871 has 4 divisors (see below), whose sum is σ = 3066144. Its totient is φ = 3057600.

The previous prime is 3061859. The next prime is 3061873. The reversal of 3061871 is 1781603.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3061871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3061871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061873) 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, 770 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (766536).

Almost surely, 2^3061871 is an apocalyptic number.

3061871 is a deficient number, since it is larger than the sum of its proper divisors (4273).

3061871 is an equidigital number, since it uses as much as digits as its factorization.

3061871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 3061871 is about 1749.8202764856. The cubic root of 3061871 is about 145.2097005462.

The spelling of 3061871 in words is "three million, sixty-one thousand, eight hundred seventy-one".