505052287 has 2 divisors, whose sum is σ = 505052288. Its totient is φ = 505052286.

The previous prime is 505052189. The next prime is 505052299. The reversal of 505052287 is 782250505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505052287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505052687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252526143 + 252526144.

It is an arithmetic number, because the mean of its divisors is an integer number (252526144).

Almost surely, 2^505052287 is an apocalyptic number.

505052287 is a deficient number, since it is larger than the sum of its proper divisors (1).

505052287 is an equidigital number, since it uses as much as digits as its factorization.

505052287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 505052287 is about 22473.3683946132. The cubic root of 505052287 is about 796.3649071215.

The spelling of 505052287 in words is "five hundred five million, fifty-two thousand, two hundred eighty-seven".