520264105 has 8 divisors (see below), whose sum is σ = 624683592. Its totient is φ = 415966848.

The previous prime is 520264097. The next prime is 520264109. The reversal of 520264105 is 501462025.

It can be written as a sum of positive squares in 4 ways, for example, as 287296 + 519976809 = 536^2 + 22803^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 520264105 - 2³ = 520264097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520264105.

It is not an unprimeable number, because it can be changed into a prime (520264109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20914 + ... + 38443.

It is an arithmetic number, because the mean of its divisors is an integer number (78085449).

Almost surely, 2^520264105 is an apocalyptic number.

It is an amenable number.

520264105 is a deficient number, since it is larger than the sum of its proper divisors (104419487).

520264105 is a wasteful number, since it uses less digits than its factorization.

520264105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61115.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 520264105 is about 22809.2986520849. The cubic root of 520264105 is about 804.2812689038.

The spelling of 520264105 in words is "five hundred twenty million, two hundred sixty-four thousand, one hundred five".