253421001123524 has 48 divisors (see below), whose sum is σ = 499621471498800. Its totient is φ = 111661433511936.

The previous prime is 253421001123449. The next prime is 253421001123607. The reversal of 253421001123524 is 425321100124352.

It can be written as a sum of positive squares in 8 ways, for example, as 68248780283524 + 185172220840000 = 8261282^2 + 13607800^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943972877 + ... + 944241300.

It is an arithmetic number, because the mean of its divisors is an integer number (10408780656225).

Almost surely, 2^{253421001123524} is an apocalyptic number.

It is an amenable number.

253421001123524 is a deficient number, since it is larger than the sum of its proper divisors (246200470375276).

253421001123524 is a wasteful number, since it uses less digits than its factorization.

253421001123524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888214312 (or 1888214310 counting only the distinct ones).

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

Adding to 253421001123524 its reverse (425321100124352), we get a palindrome (678742101247876).

The spelling of 253421001123524 in words is "two hundred fifty-three trillion, four hundred twenty-one billion, one million, one hundred twenty-three thousand, five hundred twenty-four".