240041253 has 4 divisors (see below), whose sum is σ = 320055008. Its totient is φ = 160027500.

The previous prime is 240041251. The next prime is 240041261. The reversal of 240041253 is 352140042.

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 not a de Polignac number, because 240041253 - 2¹ = 240041251 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240041251) 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, 40006873 + ... + 40006878.

It is an arithmetic number, because the mean of its divisors is an integer number (80013752).

Almost surely, 2^240041253 is an apocalyptic number.

It is an amenable number.

240041253 is a deficient number, since it is larger than the sum of its proper divisors (80013755).

240041253 is an equidigital number, since it uses as much as digits as its factorization.

240041253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80013754.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 240041253 is about 15493.2647624702. The cubic root of 240041253 is about 621.4821054460.

Adding to 240041253 its reverse (352140042), we get a palindrome (592181295).

The spelling of 240041253 in words is "two hundred forty million, forty-one thousand, two hundred fifty-three".