520053161 has 16 divisors (see below), whose sum is σ = 572313600. Its totient is φ = 470364048.

The previous prime is 520053151. The next prime is 520053169. The reversal of 520053161 is 161350025.

It is a cyclic number.

It is not a de Polignac number, because 520053161 - 2⁶ = 520053097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (520053169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360680 + ... + 362118.

It is an arithmetic number, because the mean of its divisors is an integer number (35769600).

Almost surely, 2^520053161 is an apocalyptic number.

It is an amenable number.

520053161 is a deficient number, since it is larger than the sum of its proper divisors (52260439).

520053161 is a wasteful number, since it uses less digits than its factorization.

520053161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 520053161 is about 22804.6741042270. The cubic root of 520053161 is about 804.1725540920.

The spelling of 520053161 in words is "five hundred twenty million, fifty-three thousand, one hundred sixty-one".