253231121541 has 8 divisors (see below), whose sum is σ = 344825357184. Its totient is φ = 165228816800.

The previous prime is 253231121501. The next prime is 253231121581. The reversal of 253231121541 is 145121132352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (253231121501) and next prime (253231121581).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253231121541 - 2⁷ = 253231121413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253231121499 and 253231121508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253231121501) 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, 897982560 + ... + 897982841.

It is an arithmetic number, because the mean of its divisors is an integer number (43103169648).

Almost surely, 2^253231121541 is an apocalyptic number.

It is an amenable number.

253231121541 is a deficient number, since it is larger than the sum of its proper divisors (91594235643).

253231121541 is a wasteful number, since it uses less digits than its factorization.

253231121541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795965451.

The product of its digits is 7200, while the sum is 30.

Adding to 253231121541 its reverse (145121132352), we get a palindrome (398352253893).

The spelling of 253231121541 in words is "two hundred fifty-three billion, two hundred thirty-one million, one hundred twenty-one thousand, five hundred forty-one".