6155047 has 4 divisors (see below), whose sum is σ = 6367320. Its totient is φ = 5942776.

The previous prime is 6155033. The next prime is 6155077. The reversal of 6155047 is 7405516.

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 6155047 - 2¹⁹ = 5630759 is a prime.

It is a Duffinian number.

6155047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155077) 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, 106093 + ... + 106150.

It is an arithmetic number, because the mean of its divisors is an integer number (1591830).

Almost surely, 2^6155047 is an apocalyptic number.

6155047 is a deficient number, since it is larger than the sum of its proper divisors (212273).

6155047 is a wasteful number, since it uses less digits than its factorization.

6155047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212272.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 6155047 is about 2480.9367182578. The cubic root of 6155047 is about 183.2639844229.

The spelling of 6155047 in words is "six million, one hundred fifty-five thousand, forty-seven".