252837439 has 2 divisors, whose sum is σ = 252837440. Its totient is φ = 252837438.

The previous prime is 252837437. The next prime is 252837443. The reversal of 252837439 is 934738252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252837439 - 2¹ = 252837437 is a prime.

Together with 252837437, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 252837395 and 252837404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252837433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126418719 + 126418720.

It is an arithmetic number, because the mean of its divisors is an integer number (126418720).

Almost surely, 2^252837439 is an apocalyptic number.

252837439 is a deficient number, since it is larger than the sum of its proper divisors (1).

252837439 is an equidigital number, since it uses as much as digits as its factorization.

252837439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 252837439 is about 15900.8628382236. The cubic root of 252837439 is about 632.3348641680.

The spelling of 252837439 in words is "two hundred fifty-two million, eight hundred thirty-seven thousand, four hundred thirty-nine".