505530275573 has 4 divisors (see below), whose sum is σ = 506803651980. Its totient is φ = 504256899168.

The previous prime is 505530275557. The next prime is 505530275581. The reversal of 505530275573 is 375572035505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 184967086084 + 320563189489 = 430078^2 + 566183^2 .

It is a cyclic number.

It is not a de Polignac number, because 505530275573 - 2⁴ = 505530275557 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 (505530275273) 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, 636687608 + ... + 636688401.

It is an arithmetic number, because the mean of its divisors is an integer number (126700912995).

Almost surely, 2^505530275573 is an apocalyptic number.

It is an amenable number.

505530275573 is a deficient number, since it is larger than the sum of its proper divisors (1273376407).

505530275573 is a wasteful number, since it uses less digits than its factorization.

505530275573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273376406.

The product of its (nonzero) digits is 2756250, while the sum is 47.

The spelling of 505530275573 in words is "five hundred five billion, five hundred thirty million, two hundred seventy-five thousand, five hundred seventy-three".