252442727 has 2 divisors, whose sum is σ = 252442728. Its totient is φ = 252442726.

The previous prime is 252442681. The next prime is 252442739. The reversal of 252442727 is 727244252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252442727 - 2¹⁸ = 252180583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252442747) 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, 126221363 + 126221364.

It is an arithmetic number, because the mean of its divisors is an integer number (126221364).

Almost surely, 2^252442727 is an apocalyptic number.

252442727 is a deficient number, since it is larger than the sum of its proper divisors (1).

252442727 is an equidigital number, since it uses as much as digits as its factorization.

252442727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 35.

The square root of 252442727 is about 15888.4463368827. The cubic root of 252442727 is about 632.0056405722.

Adding to 252442727 its reverse (727244252), we get a palindrome (979686979).

The spelling of 252442727 in words is "two hundred fifty-two million, four hundred forty-two thousand, seven hundred twenty-seven".