520648299 has 12 divisors (see below), whose sum is σ = 770390712. Its totient is φ = 338632800.

The previous prime is 520648283. The next prime is 520648313. The reversal of 520648299 is 992846025.

It is not a de Polignac number, because 520648299 - 2⁴ = 520648283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520648259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705117 + ... + 705854.

It is an arithmetic number, because the mean of its divisors is an integer number (64199226).

Almost surely, 2^520648299 is an apocalyptic number.

520648299 is a deficient number, since it is larger than the sum of its proper divisors (249742413).

520648299 is a wasteful number, since it uses less digits than its factorization.

520648299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411018 (or 1411015 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 520648299 is about 22817.7189701337. The cubic root of 520648299 is about 804.4791965875.

The spelling of 520648299 in words is "five hundred twenty million, six hundred forty-eight thousand, two hundred ninety-nine".