505767433 has 8 divisors (see below), whose sum is σ = 513398088. Its totient is φ = 498155904.

The previous prime is 505767407. The next prime is 505767461. The reversal of 505767433 is 334767505.

It can be written as a sum of positive squares in 4 ways, for example, as 9903609 + 495863824 = 3147^2 + 22268^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505767433 - 2¹⁷ = 505636361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505767463) 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 in 7 ways as a sum of consecutive naturals, for example, 53835 + ... + 62527.

It is an arithmetic number, because the mean of its divisors is an integer number (64174761).

Almost surely, 2^505767433 is an apocalyptic number.

It is an amenable number.

505767433 is a deficient number, since it is larger than the sum of its proper divisors (7630655).

505767433 is an equidigital number, since it uses as much as digits as its factorization.

505767433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563.

The product of its (nonzero) digits is 264600, while the sum is 40.

The square root of 505767433 is about 22489.2737321595. The cubic root of 505767433 is about 796.7406098587.

The spelling of 505767433 in words is "five hundred five million, seven hundred sixty-seven thousand, four hundred thirty-three".