2405444253 has 4 divisors (see below), whose sum is σ = 3207259008. Its totient is φ = 1603629500.

The previous prime is 2405444233. The next prime is 2405444281. The reversal of 2405444253 is 3524445042.

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 2405444253 - 2¹² = 2405440157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405444233) 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, 400907373 + ... + 400907378.

It is an arithmetic number, because the mean of its divisors is an integer number (801814752).

Almost surely, 2^2405444253 is an apocalyptic number.

It is an amenable number.

2405444253 is a deficient number, since it is larger than the sum of its proper divisors (801814755).

2405444253 is an equidigital number, since it uses as much as digits as its factorization.

2405444253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801814754.

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 2405444253 is about 49045.3285543078. The cubic root of 2405444253 is about 1339.8775140511.

Adding to 2405444253 its reverse (3524445042), we get a palindrome (5929889295).

The spelling of 2405444253 in words is "two billion, four hundred five million, four hundred forty-four thousand, two hundred fifty-three".