252822439 has 2 divisors, whose sum is σ = 252822440. Its totient is φ = 252822438.

The previous prime is 252822431. The next prime is 252822457. The reversal of 252822439 is 934228252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252822439 - 2³ = 252822431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252822398 and 252822407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252822431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126411219 + 126411220.

It is an arithmetic number, because the mean of its divisors is an integer number (126411220).

Almost surely, 2^252822439 is an apocalyptic number.

252822439 is a deficient number, since it is larger than the sum of its proper divisors (1).

252822439 is an equidigital number, since it uses as much as digits as its factorization.

252822439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 252822439 is about 15900.3911587105. The cubic root of 252822439 is about 632.3223591496.

The spelling of 252822439 in words is "two hundred fifty-two million, eight hundred twenty-two thousand, four hundred thirty-nine".