505010749 has 2 divisors, whose sum is σ = 505010750. Its totient is φ = 505010748.

The previous prime is 505010719. The next prime is 505010777. The reversal of 505010749 is 947010505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 503688249 + 1322500 = 22443^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 505010749 - 2⁷ = 505010621 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 505010749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505010719) 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, 252505374 + 252505375.

It is an arithmetic number, because the mean of its divisors is an integer number (252505375).

Almost surely, 2^505010749 is an apocalyptic number.

It is an amenable number.

505010749 is a deficient number, since it is larger than the sum of its proper divisors (1).

505010749 is an equidigital number, since it uses as much as digits as its factorization.

505010749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 505010749 is about 22472.4442150826. Note that the first 3 decimals coincide. The cubic root of 505010749 is about 796.3430741923.

The spelling of 505010749 in words is "five hundred five million, ten thousand, seven hundred forty-nine".