240324561 has 12 divisors (see below), whose sum is σ = 347601540. Its totient is φ = 160001280.

The previous prime is 240324481. The next prime is 240324577. The reversal of 240324561 is 165423042.

It can be written as a sum of positive squares in 2 ways, for example, as 75690000 + 164634561 = 8700^2 + 12831^2 .

It is not a de Polignac number, because 240324561 - 2⁷ = 240324433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240324761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10696 + ... + 24393.

It is an arithmetic number, because the mean of its divisors is an integer number (28966795).

Almost surely, 2^240324561 is an apocalyptic number.

It is an amenable number.

240324561 is a deficient number, since it is larger than the sum of its proper divisors (107276979).

240324561 is a wasteful number, since it uses less digits than its factorization.

240324561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35856 (or 35853 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 240324561 is about 15502.4050069659. The cubic root of 240324561 is about 621.7265101424.

The spelling of 240324561 in words is "two hundred forty million, three hundred twenty-four thousand, five hundred sixty-one".