253235425544 has 16 divisors (see below), whose sum is σ = 474821816400. Its totient is φ = 126616274512.

The previous prime is 253235425543. The next prime is 253235425579. The reversal of 253235425544 is 445524532352.

It is a junction number, because it is equal to n+sod(n) for n = 253235425495 and 253235425504.

It is not an unprimeable number, because it can be changed into a prime (253235425543) 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 3 ways as a sum of consecutive naturals, for example, 1128767 + ... + 1334385.

It is an arithmetic number, because the mean of its divisors is an integer number (29676363525).

Almost surely, 2^253235425544 is an apocalyptic number.

It is an amenable number.

253235425544 is a deficient number, since it is larger than the sum of its proper divisors (221586390856).

253235425544 is a wasteful number, since it uses less digits than its factorization.

253235425544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359572 (or 359568 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 44.

Adding to 253235425544 its reverse (445524532352), we get a palindrome (698759957896).

The spelling of 253235425544 in words is "two hundred fifty-three billion, two hundred thirty-five million, four hundred twenty-five thousand, five hundred forty-four".