505263111 has 4 divisors (see below), whose sum is σ = 673684152. Its totient is φ = 336842072.

The previous prime is 505263097. The next prime is 505263133. The reversal of 505263111 is 111362505.

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

It is a cyclic number.

It is not a de Polignac number, because 505263111 - 2⁶ = 505263047 is a prime.

It is a super-2 number, since 2×505263111² = 510581622674796642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505263611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84210516 + ... + 84210521.

It is an arithmetic number, because the mean of its divisors is an integer number (168421038).

Almost surely, 2^505263111 is an apocalyptic number.

505263111 is a deficient number, since it is larger than the sum of its proper divisors (168421041).

505263111 is a wasteful number, since it uses less digits than its factorization.

505263111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168421040.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 505263111 is about 22478.0584348382. The cubic root of 505263111 is about 796.4757005870.

The spelling of 505263111 in words is "five hundred five million, two hundred sixty-three thousand, one hundred eleven".