253452255261 has 16 divisors (see below), whose sum is σ = 350969428800. Its totient is φ = 162554249088.

The previous prime is 253452255253. The next prime is 253452255311. The reversal of 253452255261 is 162552254352.

It is not a de Polignac number, because 253452255261 - 2³ = 253452255253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253452205261) 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 15 ways as a sum of consecutive naturals, for example, 12817951 + ... + 12837708.

It is an arithmetic number, because the mean of its divisors is an integer number (21935589300).

Almost surely, 2^253452255261 is an apocalyptic number.

It is an amenable number.

253452255261 is a deficient number, since it is larger than the sum of its proper divisors (97517173539).

253452255261 is a wasteful number, since it uses less digits than its factorization.

253452255261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25655788.

The product of its digits is 720000, while the sum is 42.

Subtracting from 253452255261 its reverse (162552254352), we obtain a palindrome (90900000909).

The spelling of 253452255261 in words is "two hundred fifty-three billion, four hundred fifty-two million, two hundred fifty-five thousand, two hundred sixty-one".