6151147 has 4 divisors (see below), whose sum is σ = 6160336. Its totient is φ = 6141960.

The previous prime is 6151141. The next prime is 6151151. The reversal of 6151147 is 7411516.

It is a happy number.

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-6151147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6151141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3504 + ... + 4957.

It is an arithmetic number, because the mean of its divisors is an integer number (1540084).

Almost surely, 2^6151147 is an apocalyptic number.

6151147 is a deficient number, since it is larger than the sum of its proper divisors (9189).

6151147 is an equidigital number, since it uses as much as digits as its factorization.

6151147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9188.

The product of its digits is 840, while the sum is 25.

The square root of 6151147 is about 2480.1506002660. The cubic root of 6151147 is about 183.2252692812.

The spelling of 6151147 in words is "six million, one hundred fifty-one thousand, one hundred forty-seven".