505310073 has 16 divisors (see below), whose sum is σ = 728377920. Its totient is φ = 310516416.

The previous prime is 505310011. The next prime is 505310083. The reversal of 505310073 is 370013505.

It is not a de Polignac number, because 505310073 - 2¹⁴ = 505293689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505310083) 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, 117690 + ... + 121907.

It is an arithmetic number, because the mean of its divisors is an integer number (45523620).

Almost surely, 2^505310073 is an apocalyptic number.

It is an amenable number.

505310073 is a deficient number, since it is larger than the sum of its proper divisors (223067847).

505310073 is a wasteful number, since it uses less digits than its factorization.

505310073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239656.

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 505310073 is about 22479.1030292581. The cubic root of 505310073 is about 796.5003761354.

Adding to 505310073 its reverse (370013505), we get a palindrome (875323578).

The spelling of 505310073 in words is "five hundred five million, three hundred ten thousand, seventy-three".