240575513 has 4 divisors (see below), whose sum is σ = 240622848. Its totient is φ = 240528180.

The previous prime is 240575453. The next prime is 240575519. The reversal of 240575513 is 315575042.

240575513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240575513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240575513.

It is not an unprimeable number, because it can be changed into a prime (240575519) 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, 14981 + ... + 26562.

It is an arithmetic number, because the mean of its divisors is an integer number (60155712).

Almost surely, 2^240575513 is an apocalyptic number.

It is an amenable number.

240575513 is a deficient number, since it is larger than the sum of its proper divisors (47335).

240575513 is an equidigital number, since it uses as much as digits as its factorization.

240575513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47334.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 240575513 is about 15510.4968650266. The cubic root of 240575513 is about 621.9428415268.

The spelling of 240575513 in words is "two hundred forty million, five hundred seventy-five thousand, five hundred thirteen".