505474111 has 4 divisors (see below), whose sum is σ = 509332824. Its totient is φ = 501615400.

The previous prime is 505474103. The next prime is 505474133. The reversal of 505474111 is 111474505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111474505 = 5 ⋅22294901.

It is a cyclic number.

It is not a de Polignac number, because 505474111 - 2³ = 505474103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505474111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505475111) 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, 1929160 + ... + 1929421.

It is an arithmetic number, because the mean of its divisors is an integer number (127333206).

Almost surely, 2^505474111 is an apocalyptic number.

505474111 is a deficient number, since it is larger than the sum of its proper divisors (3858713).

505474111 is a wasteful number, since it uses less digits than its factorization.

505474111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858712.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 505474111 is about 22482.7514108038. The cubic root of 505474111 is about 796.5865556912.

The spelling of 505474111 in words is "five hundred five million, four hundred seventy-four thousand, one hundred eleven".