240672533 has 4 divisors (see below), whose sum is σ = 241609260. Its totient is φ = 239735808.

The previous prime is 240672521. The next prime is 240672547. The reversal of 240672533 is 335276042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335276042 = 2 ⋅167638021.

It can be written as a sum of positive squares in 2 ways, for example, as 233692369 + 6980164 = 15287^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 240672533 - 2⁴ = 240672517 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 240672533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240672433) 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, 467978 + ... + 468491.

It is an arithmetic number, because the mean of its divisors is an integer number (60402315).

Almost surely, 2^240672533 is an apocalyptic number.

It is an amenable number.

240672533 is a deficient number, since it is larger than the sum of its proper divisors (936727).

240672533 is an equidigital number, since it uses as much as digits as its factorization.

240672533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936726.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 240672533 is about 15513.6241091500. The cubic root of 240672533 is about 622.0264366027.

The spelling of 240672533 in words is "two hundred forty million, six hundred seventy-two thousand, five hundred thirty-three".