6240505 has 4 divisors (see below), whose sum is σ = 7488612. Its totient is φ = 4992400.

The previous prime is 6240503. The next prime is 6240523. The reversal of 6240505 is 5050426.

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 1505529 + 4734976 = 1227^2 + 2176^2 .

It is not a de Polignac number, because 6240505 - 2¹ = 6240503 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6240503) 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, 624046 + ... + 624055.

It is an arithmetic number, because the mean of its divisors is an integer number (1872153).

Almost surely, 2^6240505 is an apocalyptic number.

It is an amenable number.

6240505 is a deficient number, since it is larger than the sum of its proper divisors (1248107).

6240505 is a wasteful number, since it uses less digits than its factorization.

6240505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248106.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 6240505 is about 2498.1002782114. The cubic root of 6240505 is about 184.1082479777.

The spelling of 6240505 in words is "six million, two hundred forty thousand, five hundred five".