252523543 has 2 divisors, whose sum is σ = 252523544. Its totient is φ = 252523542.

The previous prime is 252523529. The next prime is 252523573. The reversal of 252523543 is 345325252.

252523543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252523543 - 2²¹ = 250426391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252523573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126261771 + 126261772.

It is an arithmetic number, because the mean of its divisors is an integer number (126261772).

Almost surely, 2^252523543 is an apocalyptic number.

252523543 is a deficient number, since it is larger than the sum of its proper divisors (1).

252523543 is an equidigital number, since it uses as much as digits as its factorization.

252523543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 31.

The square root of 252523543 is about 15890.9893650458. The cubic root of 252523543 is about 632.0730759584.

Adding to 252523543 its reverse (345325252), we get a palindrome (597848795).

The spelling of 252523543 in words is "two hundred fifty-two million, five hundred twenty-three thousand, five hundred forty-three".