252805043 has 2 divisors, whose sum is σ = 252805044. Its totient is φ = 252805042.

The previous prime is 252805039. The next prime is 252805061. The reversal of 252805043 is 340508252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252805043 - 2² = 252805039 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 252804997 and 252805015.

It is not a weakly prime, because it can be changed into another prime (252805243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126402521 + 126402522.

It is an arithmetic number, because the mean of its divisors is an integer number (126402522).

Almost surely, 2^252805043 is an apocalyptic number.

252805043 is a deficient number, since it is larger than the sum of its proper divisors (1).

252805043 is an equidigital number, since it uses as much as digits as its factorization.

252805043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 252805043 is about 15899.8441187327. The cubic root of 252805043 is about 632.3078560433.

The spelling of 252805043 in words is "two hundred fifty-two million, eight hundred five thousand, forty-three".