252622439 has 2 divisors, whose sum is σ = 252622440. Its totient is φ = 252622438.

The previous prime is 252622429. The next prime is 252622457. The reversal of 252622439 is 934226252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252622439 - 2¹⁶ = 252556903 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 252622399 and 252622408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252622429) 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, 126311219 + 126311220.

It is an arithmetic number, because the mean of its divisors is an integer number (126311220).

Almost surely, 2^252622439 is an apocalyptic number.

252622439 is a deficient number, since it is larger than the sum of its proper divisors (1).

252622439 is an equidigital number, since it uses as much as digits as its factorization.

252622439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 252622439 is about 15894.1007609742. The cubic root of 252622439 is about 632.1555782863.

The spelling of 252622439 in words is "two hundred fifty-two million, six hundred twenty-two thousand, four hundred thirty-nine".