240500013 has 12 divisors (see below), whose sum is σ = 347231520. Its totient is φ = 147999696.

The previous prime is 240500011. The next prime is 240500017. The reversal of 240500013 is 310005042.

It is not a de Polignac number, because 240500013 - 2¹ = 240500011 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 240499965 and 240500001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240500011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236673 + ... + 237686.

It is an arithmetic number, because the mean of its divisors is an integer number (28935960).

Almost surely, 2^240500013 is an apocalyptic number.

It is an amenable number.

240500013 is a deficient number, since it is larger than the sum of its proper divisors (106731507).

240500013 is a wasteful number, since it uses less digits than its factorization.

240500013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474388 (or 474375 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 240500013 is about 15508.0628384076. The cubic root of 240500013 is about 621.8777731179.

Adding to 240500013 its reverse (310005042), we get a palindrome (550505055).

The spelling of 240500013 in words is "two hundred forty million, five hundred thousand, thirteen".