252144443 has 2 divisors, whose sum is σ = 252144444. Its totient is φ = 252144442.

The previous prime is 252144439. The next prime is 252144461. The reversal of 252144443 is 344441252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252144443 - 2² = 252144439 is a prime.

It is not a weakly prime, because it can be changed into another prime (252144463) 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, 126072221 + 126072222.

It is an arithmetic number, because the mean of its divisors is an integer number (126072222).

Almost surely, 2^252144443 is an apocalyptic number.

252144443 is a deficient number, since it is larger than the sum of its proper divisors (1).

252144443 is an equidigital number, since it uses as much as digits as its factorization.

252144443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 29.

The square root of 252144443 is about 15879.0567415070. The cubic root of 252144443 is about 631.7566184520.

Adding to 252144443 its reverse (344441252), we get a palindrome (596585695).

It can be divided in two parts, 2521 and 44443, that added together give a palindrome (46964).

The spelling of 252144443 in words is "two hundred fifty-two million, one hundred forty-four thousand, four hundred forty-three".