6240561 has 8 divisors (see below), whose sum is σ = 8398944. Its totient is φ = 4121280.

The previous prime is 6240527. The next prime is 6240587. The reversal of 6240561 is 1650426.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6240561 - 2¹⁰ = 6239537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6200561) 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 7 ways as a sum of consecutive naturals, for example, 9400 + ... + 10041.

It is an arithmetic number, because the mean of its divisors is an integer number (1049868).

Almost surely, 2^6240561 is an apocalyptic number.

It is an amenable number.

6240561 is a deficient number, since it is larger than the sum of its proper divisors (2158383).

6240561 is a wasteful number, since it uses less digits than its factorization.

6240561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 6240561 is about 2498.1114867035. Note that the first 3 decimals coincide. The cubic root of 6240561 is about 184.1087986827.

Adding to 6240561 its reverse (1650426), we get a palindrome (7890987).

The spelling of 6240561 in words is "six million, two hundred forty thousand, five hundred sixty-one".