520753479 has 8 divisors (see below), whose sum is σ = 695151600. Its totient is φ = 346762176.

The previous prime is 520753459. The next prime is 520753481. The reversal of 520753479 is 974357025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520753479 - 2⁵ = 520753447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520753479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520753439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98704 + ... + 103845.

It is an arithmetic number, because the mean of its divisors is an integer number (86893950).

Almost surely, 2^520753479 is an apocalyptic number.

520753479 is a deficient number, since it is larger than the sum of its proper divisors (174398121).

520753479 is a wasteful number, since it uses less digits than its factorization.

520753479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203409.

The product of its (nonzero) digits is 264600, while the sum is 42.

The square root of 520753479 is about 22820.0236415303. The cubic root of 520753479 is about 804.5333658638.

The spelling of 520753479 in words is "five hundred twenty million, seven hundred fifty-three thousand, four hundred seventy-nine".