505123264 has 14 divisors (see below), whose sum is σ = 1002354104. Its totient is φ = 252561600.

The previous prime is 505123253. The next prime is 505123271. The reversal of 505123264 is 462321505.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3946212 + ... + 3946339.

Almost surely, 2^505123264 is an apocalyptic number.

It is an amenable number.

505123264 is a deficient number, since it is larger than the sum of its proper divisors (497230840).

505123264 is an equidigital number, since it uses as much as digits as its factorization.

505123264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892563 (or 7892553 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 505123264 is about 22474.9474749108. The cubic root of 505123264 is about 796.4022108131.

Adding to 505123264 its reverse (462321505), we get a palindrome (967444769).

The spelling of 505123264 in words is "five hundred five million, one hundred twenty-three thousand, two hundred sixty-four".