253543414243 has 8 divisors (see below), whose sum is σ = 289767765600. Its totient is φ = 217320028800.

The previous prime is 253543414231. The next prime is 253543414249. The reversal of 253543414243 is 342414345352.

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

It is not a de Polignac number, because 253543414243 - 2⁹ = 253543413731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253543414196 and 253543414205.

It is not an unprimeable number, because it can be changed into a prime (253543414249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454893 + ... + 844993.

It is an arithmetic number, because the mean of its divisors is an integer number (36220970700).

Almost surely, 2^253543414243 is an apocalyptic number.

253543414243 is a deficient number, since it is larger than the sum of its proper divisors (36224351357).

253543414243 is an equidigital number, since it uses as much as digits as its factorization.

253543414243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482957.

The product of its digits is 691200, while the sum is 40.

Adding to 253543414243 its reverse (342414345352), we get a palindrome (595957759595).

The spelling of 253543414243 in words is "two hundred fifty-three billion, five hundred forty-three million, four hundred fourteen thousand, two hundred forty-three".