6109245 has 24 divisors (see below), whose sum is σ = 10647000. Its totient is φ = 3240576.

The previous prime is 6109231. The next prime is 6109249. The reversal of 6109245 is 5429016.

6109245 is a `hidden beast` number, since 610 + 9 + 2 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 549081 + 5560164 = 741^2 + 2358^2 .

It is not a de Polignac number, because 6109245 - 2⁸ = 6108989 is a prime.

It is a Curzon number.

6109245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6109249) 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 23 ways as a sum of consecutive naturals, for example, 15511 + ... + 15899.

It is an arithmetic number, because the mean of its divisors is an integer number (443625).

Almost surely, 2^6109245 is an apocalyptic number.

It is an amenable number.

6109245 is a deficient number, since it is larger than the sum of its proper divisors (4537755).

6109245 is a wasteful number, since it uses less digits than its factorization.

6109245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 6109245 is about 2471.6886939904. The cubic root of 6109245 is about 182.8082736257.

The spelling of 6109245 in words is "six million, one hundred nine thousand, two hundred forty-five".