252144439 has 2 divisors, whose sum is σ = 252144440. Its totient is φ = 252144438.

The previous prime is 252144407. The next prime is 252144443. The reversal of 252144439 is 934441252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252144439 - 2⁵ = 252144407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252244439) 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, 126072219 + 126072220.

It is an arithmetic number, because the mean of its divisors is an integer number (126072220).

Almost surely, 2^252144439 is an apocalyptic number.

252144439 is a deficient number, since it is larger than the sum of its proper divisors (1).

252144439 is an equidigital number, since it uses as much as digits as its factorization.

252144439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 252144439 is about 15879.0566155550. The cubic root of 252144439 is about 631.7566151112.

The spelling of 252144439 in words is "two hundred fifty-two million, one hundred forty-four thousand, four hundred thirty-nine".