505434266 has 4 divisors (see below), whose sum is σ = 758151402. Its totient is φ = 252717132.

The previous prime is 505434263. The next prime is 505434277. The reversal of 505434266 is 662434505.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 384983641 + 120450625 = 19621^2 + 10975^2 .

It is not an unprimeable number, because it can be changed into a prime (505434263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126358565 + ... + 126358568.

Almost surely, 2^505434266 is an apocalyptic number.

505434266 is a deficient number, since it is larger than the sum of its proper divisors (252717136).

505434266 is a wasteful number, since it uses less digits than its factorization.

505434266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252717135.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 505434266 is about 22481.8652695901. The cubic root of 505434266 is about 796.5656243025.

The spelling of 505434266 in words is "five hundred five million, four hundred thirty-four thousand, two hundred sixty-six".