520493395 has 16 divisors (see below), whose sum is σ = 628754688. Its totient is φ = 413631360.

The previous prime is 520493387. The next prime is 520493399. The reversal of 520493395 is 593394025.

It is not a de Polignac number, because 520493395 - 2³ = 520493387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520493399) 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, 857182 + ... + 857788.

It is an arithmetic number, because the mean of its divisors is an integer number (39297168).

Almost surely, 2^520493395 is an apocalyptic number.

520493395 is a deficient number, since it is larger than the sum of its proper divisors (108261293).

520493395 is a wasteful number, since it uses less digits than its factorization.

520493395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 520493395 is about 22814.3243380119. The cubic root of 520493395 is about 804.3994054204.

The spelling of 520493395 in words is "five hundred twenty million, four hundred ninety-three thousand, three hundred ninety-five".