6142009 has 4 divisors (see below), whose sum is σ = 6169060. Its totient is φ = 6114960.

The previous prime is 6141983. The next prime is 6142033. The reversal of 6142009 is 9002416.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5546025 + 595984 = 2355^2 + 772^2 .

It is a cyclic number.

It is not a de Polignac number, because 6142009 - 2⁵ = 6141977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6142079) 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 3 ways as a sum of consecutive naturals, for example, 13182 + ... + 13639.

It is an arithmetic number, because the mean of its divisors is an integer number (1542265).

Almost surely, 2^6142009 is an apocalyptic number.

It is an amenable number.

6142009 is a deficient number, since it is larger than the sum of its proper divisors (27051).

6142009 is a wasteful number, since it uses less digits than its factorization.

6142009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27050.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 6142009 is about 2478.3076887263. The cubic root of 6142009 is about 183.1344925907.

The spelling of 6142009 in words is "six million, one hundred forty-two thousand, nine".