6131009 has 4 divisors (see below), whose sum is σ = 6261504. Its totient is φ = 6000516.

The previous prime is 6130997. The next prime is 6131039. The reversal of 6131009 is 9001316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6131009 - 2⁸ = 6130753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6131039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65177 + ... + 65270.

It is an arithmetic number, because the mean of its divisors is an integer number (1565376).

Almost surely, 2^6131009 is an apocalyptic number.

It is an amenable number.

6131009 is a deficient number, since it is larger than the sum of its proper divisors (130495).

6131009 is a wasteful number, since it uses less digits than its factorization.

6131009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130494.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 6131009 is about 2476.0874378745. The cubic root of 6131009 is about 183.0250993274.

The spelling of 6131009 in words is "six million, one hundred thirty-one thousand, nine".