6861051 has 24 divisors (see below), whose sum is σ = 10481360. Its totient is φ = 4434912.

The previous prime is 6861017. The next prime is 6861053. The reversal of 6861051 is 1501686.

It is not a de Polignac number, because 6861051 - 2¹¹ = 6859003 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6861053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93951 + ... + 94023.

Almost surely, 2^6861051 is an apocalyptic number.

6861051 is a deficient number, since it is larger than the sum of its proper divisors (3620309).

6861051 is an equidigital number, since it uses as much as digits as its factorization.

6861051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 6861051 is about 2619.3607998899. The cubic root of 6861051 is about 190.0189362475.

The spelling of 6861051 in words is "six million, eight hundred sixty-one thousand, fifty-one".