253531012424 has 32 divisors (see below), whose sum is σ = 509831496000. Its totient is φ = 117827716032.

The previous prime is 253531012421. The next prime is 253531012459. The reversal of 253531012424 is 424210135352.

It is not an unprimeable number, because it can be changed into a prime (253531012421) 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 7 ways as a sum of consecutive naturals, for example, 15727484 + ... + 15743595.

It is an arithmetic number, because the mean of its divisors is an integer number (15932234250).

Almost surely, 2^253531012424 is an apocalyptic number.

It is an amenable number.

253531012424 is an abundant number, since it is smaller than the sum of its proper divisors (256300483576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253531012424 is a wasteful number, since it uses less digits than its factorization.

253531012424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31471157 (or 31471153 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 253531012424 its reverse (424210135352), we get a palindrome (677741147776).

The spelling of 253531012424 in words is "two hundred fifty-three billion, five hundred thirty-one million, twelve thousand, four hundred twenty-four".