2443065253 has 4 divisors (see below), whose sum is σ = 2499880768. Its totient is φ = 2386249740.

The previous prime is 2443065197. The next prime is 2443065293. The reversal of 2443065253 is 3525603442.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3525603442 = 2 ⋅1762801721.

It is not a de Polignac number, because 2443065253 - 2²⁹ = 1906194341 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 (2443065293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28407693 + ... + 28407778.

It is an arithmetic number, because the mean of its divisors is an integer number (624970192).

Almost surely, 2^2443065253 is an apocalyptic number.

It is an amenable number.

2443065253 is a deficient number, since it is larger than the sum of its proper divisors (56815515).

2443065253 is an equidigital number, since it uses as much as digits as its factorization.

2443065253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56815514.

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 2443065253 is about 49427.3735191341. The cubic root of 2443065253 is about 1346.8266117725.

Adding to 2443065253 its reverse (3525603442), we get a palindrome (5968668695).

The spelling of 2443065253 in words is "two billion, four hundred forty-three million, sixty-five thousand, two hundred fifty-three".