6240015 has 24 divisors (see below), whose sum is σ = 11288160. Its totient is φ = 3182784.

The previous prime is 6240011. The next prime is 6240019. The reversal of 6240015 is 5100426.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6240011) and next prime (6240019).

It is not a de Polignac number, because 6240015 - 2² = 6240011 is a prime.

6240015 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6240015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1980 + ... + 4049.

It is an arithmetic number, because the mean of its divisors is an integer number (470340).

Almost surely, 2^6240015 is an apocalyptic number.

6240015 is a deficient number, since it is larger than the sum of its proper divisors (5048145).

6240015 is a wasteful number, since it uses less digits than its factorization.

6240015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063 (or 6060 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 6240015 is about 2498.0022017604. The cubic root of 6240015 is about 184.1034291689.

The spelling of 6240015 in words is "six million, two hundred forty thousand, fifteen".