520964514 has 96 divisors (see below), whose sum is σ = 1365920640. Its totient is φ = 144073728.

The previous prime is 520964471. The next prime is 520964527. The reversal of 520964514 is 415469025.

520964514 is a `hidden beast` number, since 5 + 2 + 0 + 9 + 645 + 1 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2699202 + ... + 2699394.

It is an arithmetic number, because the mean of its divisors is an integer number (14228340).

Almost surely, 2^520964514 is an apocalyptic number.

520964514 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 520964514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682960320).

520964514 is an abundant number, since it is smaller than the sum of its proper divisors (844956126).

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

520964514 is a wasteful number, since it uses less digits than its factorization.

520964514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 520964514 is about 22824.6470728465. The cubic root of 520964514 is about 804.6420300563.

The spelling of 520964514 in words is "five hundred twenty million, nine hundred sixty-four thousand, five hundred fourteen".