505412523 has 36 divisors (see below), whose sum is σ = 917089264. Its totient is φ = 262548000.

The previous prime is 505412503. The next prime is 505412587. The reversal of 505412523 is 325214505.

It is a happy number.

It is not a de Polignac number, because 505412523 - 2⁵ = 505412491 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (505412503) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25528 + ... + 40773.

Almost surely, 2^505412523 is an apocalyptic number.

505412523 is a deficient number, since it is larger than the sum of its proper divisors (411676741).

505412523 is a wasteful number, since it uses less digits than its factorization.

505412523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66336 (or 66322 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 505412523 is about 22481.3816968620. The cubic root of 505412523 is about 796.5542017985.

The spelling of 505412523 in words is "five hundred five million, four hundred twelve thousand, five hundred twenty-three".