505288101 has 8 divisors (see below), whose sum is σ = 677851360. Its totient is φ = 334791792.

The previous prime is 505288087. The next prime is 505288103. The reversal of 505288101 is 101882505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505288101 - 2⁷ = 505287973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505288103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516166 + ... + 517143.

It is an arithmetic number, because the mean of its divisors is an integer number (84731420).

Almost surely, 2^505288101 is an apocalyptic number.

It is an amenable number.

505288101 is a deficient number, since it is larger than the sum of its proper divisors (172563259).

505288101 is a wasteful number, since it uses less digits than its factorization.

505288101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033475.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 505288101 is about 22478.6143033773. The cubic root of 505288101 is about 796.4888314352.

The spelling of 505288101 in words is "five hundred five million, two hundred eighty-eight thousand, one hundred one".