252055543 has 4 divisors (see below), whose sum is σ = 252186688. Its totient is φ = 251924400.

The previous prime is 252055519. The next prime is 252055571. The reversal of 252055543 is 345550252.

It is a happy number.

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 252055543 - 2²¹ = 249958391 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 (252055043) 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 3 ways as a sum of consecutive naturals, for example, 62646 + ... + 66547.

It is an arithmetic number, because the mean of its divisors is an integer number (63046672).

Almost surely, 2^252055543 is an apocalyptic number.

252055543 is a deficient number, since it is larger than the sum of its proper divisors (131145).

252055543 is a wasteful number, since it uses less digits than its factorization.

252055543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131144.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 252055543 is about 15876.2572100606. The cubic root of 252055543 is about 631.6823623832.

The spelling of 252055543 in words is "two hundred fifty-two million, fifty-five thousand, five hundred forty-three".