252537805543 has 2 divisors, whose sum is σ = 252537805544. Its totient is φ = 252537805542.

The previous prime is 252537805447. The next prime is 252537805603. The reversal of 252537805543 is 345508735252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252537805543 - 2¹⁷ = 252537674471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252537805943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126268902771 + 126268902772.

It is an arithmetic number, because the mean of its divisors is an integer number (126268902772).

Almost surely, 2^252537805543 is an apocalyptic number.

252537805543 is a deficient number, since it is larger than the sum of its proper divisors (1).

252537805543 is an equidigital number, since it uses as much as digits as its factorization.

252537805543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040000, while the sum is 49.

The spelling of 252537805543 in words is "two hundred fifty-two billion, five hundred thirty-seven million, eight hundred five thousand, five hundred forty-three".