252533543 has 2 divisors, whose sum is σ = 252533544. Its totient is φ = 252533542.

The previous prime is 252533509. The next prime is 252533569. The reversal of 252533543 is 345335252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252533543 - 2¹⁸ = 252271399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252533573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126266771 + 126266772.

It is an arithmetic number, because the mean of its divisors is an integer number (126266772).

Almost surely, 2^252533543 is an apocalyptic number.

252533543 is a deficient number, since it is larger than the sum of its proper divisors (1).

252533543 is an equidigital number, since it uses as much as digits as its factorization.

252533543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 32.

The square root of 252533543 is about 15891.3040056504. The cubic root of 252533543 is about 632.0814192693.

Adding to 252533543 its reverse (345335252), we get a palindrome (597868795).

The spelling of 252533543 in words is "two hundred fifty-two million, five hundred thirty-three thousand, five hundred forty-three".