507242849 has 2 divisors, whose sum is σ = 507242850. Its totient is φ = 507242848.

The previous prime is 507242843. The next prime is 507242881. The reversal of 507242849 is 948242705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367412224 + 139830625 = 19168^2 + 11825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507242849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (507242843) 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, 253621424 + 253621425.

It is an arithmetic number, because the mean of its divisors is an integer number (253621425).

Almost surely, 2^507242849 is an apocalyptic number.

It is an amenable number.

507242849 is a deficient number, since it is larger than the sum of its proper divisors (1).

507242849 is an equidigital number, since it uses as much as digits as its factorization.

507242849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 507242849 is about 22522.0525041569. The cubic root of 507242849 is about 797.5146036902.

The spelling of 507242849 in words is "five hundred seven million, two hundred forty-two thousand, eight hundred forty-nine".