252532541345543 has 4 divisors (see below), whose sum is σ = 252551307246000. Its totient is φ = 252513775445088.

The previous prime is 252532541345503. The next prime is 252532541345563. The reversal of 252532541345543 is 345543145235252.

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 252532541345543 - 2¹² = 252532541341447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252532541345503) 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, 9382930043 + ... + 9382956956.

It is an arithmetic number, because the mean of its divisors is an integer number (63137826811500).

Almost surely, 2^{252532541345543} is an apocalyptic number.

252532541345543 is a deficient number, since it is larger than the sum of its proper divisors (18765900457).

252532541345543 is a wasteful number, since it uses less digits than its factorization.

252532541345543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18765900456.

The product of its digits is 43200000, while the sum is 53.

The spelling of 252532541345543 in words is "two hundred fifty-two trillion, five hundred thirty-two billion, five hundred forty-one million, three hundred forty-five thousand, five hundred forty-three".