252785927 has 2 divisors, whose sum is σ = 252785928. Its totient is φ = 252785926.

The previous prime is 252785839. The next prime is 252785941. The reversal of 252785927 is 729587252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252785927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252785987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126392963 + 126392964.

It is an arithmetic number, because the mean of its divisors is an integer number (126392964).

Almost surely, 2^252785927 is an apocalyptic number.

252785927 is a deficient number, since it is larger than the sum of its proper divisors (1).

252785927 is an equidigital number, since it uses as much as digits as its factorization.

252785927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 47.

The square root of 252785927 is about 15899.2429693995. The cubic root of 252785927 is about 632.2919181998.

The spelling of 252785927 in words is "two hundred fifty-two million, seven hundred eighty-five thousand, nine hundred twenty-seven".