240433253 has 4 divisors (see below), whose sum is σ = 246024768. Its totient is φ = 234841740.

The previous prime is 240433231. The next prime is 240433267. The reversal of 240433253 is 352334042.

240433253 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 not a de Polignac number, because 240433253 - 2¹⁶ = 240367717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240433213) 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, 2795693 + ... + 2795778.

It is an arithmetic number, because the mean of its divisors is an integer number (61506192).

Almost surely, 2^240433253 is an apocalyptic number.

It is an amenable number.

240433253 is a deficient number, since it is larger than the sum of its proper divisors (5591515).

240433253 is an equidigital number, since it uses as much as digits as its factorization.

240433253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591514.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 240433253 is about 15505.9102602846. The cubic root of 240433253 is about 621.8202257860.

Adding to 240433253 its reverse (352334042), we get a palindrome (592767295).

The spelling of 240433253 in words is "two hundred forty million, four hundred thirty-three thousand, two hundred fifty-three".