253420052143 has 4 divisors (see below), whose sum is σ = 253421511768. Its totient is φ = 253418592520.

The previous prime is 253420052117. The next prime is 253420052159. The reversal of 253420052143 is 341250024352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253420052143 - 2⁹ = 253420051631 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253420052173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427693 + ... + 830518.

It is an arithmetic number, because the mean of its divisors is an integer number (63355377942).

Almost surely, 2^253420052143 is an apocalyptic number.

253420052143 is a deficient number, since it is larger than the sum of its proper divisors (1459625).

253420052143 is a wasteful number, since it uses less digits than its factorization.

253420052143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459624.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 253420052143 its reverse (341250024352), we get a palindrome (594670076495).

The spelling of 253420052143 in words is "two hundred fifty-three billion, four hundred twenty million, fifty-two thousand, one hundred forty-three".