253013443504235 has 4 divisors (see below), whose sum is σ = 303616132205088. Its totient is φ = 202410754803384.

The previous prime is 253013443504219. The next prime is 253013443504243. The reversal of 253013443504235 is 532405344310352.

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 253013443504235 - 2⁴ = 253013443504219 is a prime.

It is a super-2 number, since 2×253013443504235² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25301344350419 + ... + 25301344350428.

It is an arithmetic number, because the mean of its divisors is an integer number (75904033051272).

Almost surely, 2^{253013443504235} is an apocalyptic number.

253013443504235 is a deficient number, since it is larger than the sum of its proper divisors (50602688700853).

253013443504235 is an equidigital number, since it uses as much as digits as its factorization.

253013443504235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50602688700852.

The product of its (nonzero) digits is 2592000, while the sum is 44.

Adding to 253013443504235 its reverse (532405344310352), we get a palindrome (785418787814587).

The spelling of 253013443504235 in words is "two hundred fifty-three trillion, thirteen billion, four hundred forty-three million, five hundred four thousand, two hundred thirty-five".