520134411 has 4 divisors (see below), whose sum is σ = 693512552. Its totient is φ = 346756272.

The previous prime is 520134409. The next prime is 520134413. The reversal of 520134411 is 114431025.

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

It is an interprime number because it is at equal distance from previous prime (520134409) and next prime (520134413).

It is not a de Polignac number, because 520134411 - 2¹ = 520134409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520134413) 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, 86689066 + ... + 86689071.

It is an arithmetic number, because the mean of its divisors is an integer number (173378138).

Almost surely, 2^520134411 is an apocalyptic number.

520134411 is a deficient number, since it is larger than the sum of its proper divisors (173378141).

520134411 is a wasteful number, since it uses less digits than its factorization.

520134411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173378140.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 520134411 is about 22806.4554676960. The cubic root of 520134411 is about 804.2144316169.

Adding to 520134411 its reverse (114431025), we get a palindrome (634565436).

The spelling of 520134411 in words is "five hundred twenty million, one hundred thirty-four thousand, four hundred eleven".