505140201 has 6 divisors (see below), whose sum is σ = 729646970. Its totient is φ = 336760128.

The previous prime is 505140199. The next prime is 505140203. The reversal of 505140201 is 102041505.

505140201 is a `hidden beast` number, since 505 + 140 + 20 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (505140199) and next prime (505140203).

It can be written as a sum of positive squares in only one way, i.e., 313290000 + 191850201 = 17700^2 + 13851^2 .

It is not a de Polignac number, because 505140201 - 2¹ = 505140199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505140203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28063336 + ... + 28063353.

Almost surely, 2^505140201 is an apocalyptic number.

It is an amenable number.

505140201 is a deficient number, since it is larger than the sum of its proper divisors (224506769).

505140201 is a wasteful number, since it uses less digits than its factorization.

505140201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56126695 (or 56126692 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 505140201 is about 22475.3242690734. The cubic root of 505140201 is about 796.4111119497.

Adding to 505140201 its reverse (102041505), we get a palindrome (607181706).

The spelling of 505140201 in words is "five hundred five million, one hundred forty thousand, two hundred one".