6861061 has 4 divisors (see below), whose sum is σ = 7159392. Its totient is φ = 6562732.

The previous prime is 6861053. The next prime is 6861067. The reversal of 6861061 is 1601686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6861061 - 2³ = 6861053 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 (6861067) 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, 149131 + ... + 149176.

It is an arithmetic number, because the mean of its divisors is an integer number (1789848).

Almost surely, 2^6861061 is an apocalyptic number.

It is an amenable number.

6861061 is a deficient number, since it is larger than the sum of its proper divisors (298331).

6861061 is a wasteful number, since it uses less digits than its factorization.

6861061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298330.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 6861061 is about 2619.3627087519. The cubic root of 6861061 is about 190.0190285651.

The spelling of 6861061 in words is "six million, eight hundred sixty-one thousand, sixty-one".