252443 has 2 divisors, whose sum is σ = 252444. Its totient is φ = 252442.

The previous prime is 252431. The next prime is 252449. The reversal of 252443 is 344252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252443 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252443.

It is not a weakly prime, because it can be changed into another prime (252449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126221 + 126222.

It is an arithmetic number, because the mean of its divisors is an integer number (126222).

2²⁵²⁴⁴³ is an apocalyptic number.

252443 is a deficient number, since it is larger than the sum of its proper divisors (1).

252443 is an equidigital number, since it uses as much as digits as its factorization.

252443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 20.

The square root of 252443 is about 502.4370607350. The cubic root of 252443 is about 63.2005868396.

Adding to 252443 its reverse (344252), we get a palindrome (596695).

Subtracting 252443 from its reverse (344252), we obtain a square (91809 = 303²).

It can be divided in two parts, 25 and 2443, that multiplied together give a triangular number (61075 = T₃₄₉).

The spelling of 252443 in words is "two hundred fifty-two thousand, four hundred forty-three".