520411710 has 256 divisors, whose sum is σ = 1651507200. Its totient is φ = 101896704.

The previous prime is 520411651. The next prime is 520411711. The reversal of 520411710 is 17114025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520411711) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4097667 + ... + 4097793.

It is an arithmetic number, because the mean of its divisors is an integer number (6451200).

Almost surely, 2^520411710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520411710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825753600).

520411710 is an abundant number, since it is smaller than the sum of its proper divisors (1131095490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520411710 is a wasteful number, since it uses less digits than its factorization.

520411710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 520411710 is about 22812.5340547691. The cubic root of 520411710 is about 804.3573230401.

Adding to 520411710 its reverse (17114025), we get a palindrome (537525735).

The spelling of 520411710 in words is "five hundred twenty million, four hundred eleven thousand, seven hundred ten".