253453211441 has 4 divisors (see below), whose sum is σ = 253457338992. Its totient is φ = 253449083892.

The previous prime is 253453211399. The next prime is 253453211587. The reversal of 253453211441 is 144112354352.

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 253453211441 - 2³⁴ = 236273342257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253453211041) 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, 1970255 + ... + 2094948.

It is an arithmetic number, because the mean of its divisors is an integer number (63364334748).

Almost surely, 2^253453211441 is an apocalyptic number.

It is an amenable number.

253453211441 is a deficient number, since it is larger than the sum of its proper divisors (4127551).

253453211441 is an equidigital number, since it uses as much as digits as its factorization.

253453211441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127550.

The product of its digits is 57600, while the sum is 35.

Adding to 253453211441 its reverse (144112354352), we get a palindrome (397565565793).

The spelling of 253453211441 in words is "two hundred fifty-three billion, four hundred fifty-three million, two hundred eleven thousand, four hundred forty-one".