24265256243 has 4 divisors (see below), whose sum is σ = 25320267408. Its totient is φ = 23210245080.

The previous prime is 24265256227. The next prime is 24265256287. The reversal of 24265256243 is 34265256242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 24265256243 - 2⁴ = 24265256227 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 24265256243.

It is not an unprimeable number, because it can be changed into a prime (24265256843) 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, 527505548 + ... + 527505593.

It is an arithmetic number, because the mean of its divisors is an integer number (6330066852).

Almost surely, 2^24265256243 is an apocalyptic number.

24265256243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

24265256243 is a deficient number, since it is larger than the sum of its proper divisors (1055011165).

24265256243 is a wasteful number, since it uses less digits than its factorization.

24265256243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055011164.

The product of its digits is 691200, while the sum is 41.

Subtracting 24265256243 from its reverse (34265256242), we obtain a palindrome (9999999999).

The spelling of 24265256243 in words is "twenty-four billion, two hundred sixty-five million, two hundred fifty-six thousand, two hundred forty-three".