520199499 has 16 divisors (see below), whose sum is σ = 753658880. Its totient is φ = 317947680.

The previous prime is 520199479. The next prime is 520199501. The reversal of 520199499 is 994991025.

It is not a de Polignac number, because 520199499 - 2⁵ = 520199467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520199479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145432 + ... + 148965.

It is an arithmetic number, because the mean of its divisors is an integer number (47103680).

Almost surely, 2^520199499 is an apocalyptic number.

520199499 is a deficient number, since it is larger than the sum of its proper divisors (233459381).

520199499 is a wasteful number, since it uses less digits than its factorization.

520199499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294450.

The product of its (nonzero) digits is 262440, while the sum is 48.

The square root of 520199499 is about 22807.8823874554. The cubic root of 520199499 is about 804.2479758473.

The spelling of 520199499 in words is "five hundred twenty million, one hundred ninety-nine thousand, four hundred ninety-nine".