505112487 has 16 divisors (see below), whose sum is σ = 735886080. Its totient is φ = 305638400.

The previous prime is 505112479. The next prime is 505112501. The reversal of 505112487 is 784211505.

It is a cyclic number.

It is not a de Polignac number, because 505112487 - 2³ = 505112479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505112417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9214 + ... + 33092.

It is an arithmetic number, because the mean of its divisors is an integer number (45992880).

Almost surely, 2^505112487 is an apocalyptic number.

505112487 is a deficient number, since it is larger than the sum of its proper divisors (230773593).

505112487 is a wasteful number, since it uses less digits than its factorization.

505112487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24534.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 505112487 is about 22474.7077177880. The cubic root of 505112487 is about 796.3965469232.

The spelling of 505112487 in words is "five hundred five million, one hundred twelve thousand, four hundred eighty-seven".