252103543 has 2 divisors, whose sum is σ = 252103544. Its totient is φ = 252103542.

The previous prime is 252103531. The next prime is 252103561. The reversal of 252103543 is 345301252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252103543 - 2⁹ = 252103031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252103573) 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 as a sum of consecutive naturals, namely, 126051771 + 126051772.

It is an arithmetic number, because the mean of its divisors is an integer number (126051772).

Almost surely, 2^252103543 is an apocalyptic number.

252103543 is a deficient number, since it is larger than the sum of its proper divisors (1).

252103543 is an equidigital number, since it uses as much as digits as its factorization.

252103543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 252103543 is about 15877.7688294042. The cubic root of 252103543 is about 631.7224578169.

Adding to 252103543 its reverse (345301252), we get a palindrome (597404795).

The spelling of 252103543 in words is "two hundred fifty-two million, one hundred three thousand, five hundred forty-three".