6149971 has 4 divisors (see below), whose sum is σ = 6511752. Its totient is φ = 5788192.

The previous prime is 6149963. The next prime is 6149981. The reversal of 6149971 is 1799416.

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

It is a cyclic number.

It is not a de Polignac number, because 6149971 - 2³ = 6149963 is a prime.

It is an Ulam number.

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 6149971.

It is not an unprimeable number, because it can be changed into a prime (6149911) 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, 180865 + ... + 180898.

It is an arithmetic number, because the mean of its divisors is an integer number (1627938).

Almost surely, 2^6149971 is an apocalyptic number.

6149971 is a deficient number, since it is larger than the sum of its proper divisors (361781).

6149971 is a wasteful number, since it uses less digits than its factorization.

6149971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361780.

The product of its digits is 13608, while the sum is 37.

The square root of 6149971 is about 2479.9135065562. The cubic root of 6149971 is about 183.2135919659.

It can be divided in two parts, 614 and 9971, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 6149971 in words is "six million, one hundred forty-nine thousand, nine hundred seventy-one".