520273097 has 4 divisors (see below), whose sum is σ = 523147716. Its totient is φ = 517398480.

The previous prime is 520273081. The next prime is 520273099. The reversal of 520273097 is 790372025.

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 167547136 + 352725961 = 12944^2 + 18781^2 .

It is a cyclic number.

It is not a de Polignac number, because 520273097 - 2⁴ = 520273081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520273099) 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, 1437038 + ... + 1437399.

It is an arithmetic number, because the mean of its divisors is an integer number (130786929).

Almost surely, 2^520273097 is an apocalyptic number.

It is an amenable number.

520273097 is a deficient number, since it is larger than the sum of its proper divisors (2874619).

520273097 is a wasteful number, since it uses less digits than its factorization.

520273097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874618.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 520273097 is about 22809.4957638261. The cubic root of 520273097 is about 804.2859024834.

The spelling of 520273097 in words is "five hundred twenty million, two hundred seventy-three thousand, ninety-seven".