505535101 has 4 divisors (see below), whose sum is σ = 527514912. Its totient is φ = 483555292.

The previous prime is 505535081. The next prime is 505535113. The reversal of 505535101 is 101535505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505535101 - 2⁷ = 505534973 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 (505535161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10989871 + ... + 10989916.

It is an arithmetic number, because the mean of its divisors is an integer number (131878728).

Almost surely, 2^505535101 is an apocalyptic number.

It is an amenable number.

505535101 is a deficient number, since it is larger than the sum of its proper divisors (21979811).

505535101 is a wasteful number, since it uses less digits than its factorization.

505535101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21979810.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 505535101 is about 22484.1077430260. The cubic root of 505535101 is about 796.6185928481.

The spelling of 505535101 in words is "five hundred five million, five hundred thirty-five thousand, one hundred one".