240512 has 16 divisors (see below), whose sum is σ = 479400. Its totient is φ = 120192.

The previous prime is 240509. The next prime is 240517. The reversal of 240512 is 215042.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812 + ... + 1067.

2²⁴⁰⁵¹² is an apocalyptic number.

It is an amenable number.

240512 is a deficient number, since it is larger than the sum of its proper divisors (238888).

240512 is an equidigital number, since it uses as much as digits as its factorization.

240512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1881 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 240512 is about 490.4202279678. The cubic root of 240512 is about 62.1888104822.

Adding to 240512 its reverse (215042), we get a palindrome (455554).

The spelling of 240512 in words is "two hundred forty thousand, five hundred twelve".