520001205 has 16 divisors (see below), whose sum is σ = 834719424. Its totient is φ = 276428160.

The previous prime is 520001203. The next prime is 520001213. The reversal of 520001205 is 502100025.

It is not a de Polignac number, because 520001205 - 2¹ = 520001203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520001201) 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, 51856 + ... + 61065.

It is an arithmetic number, because the mean of its divisors is an integer number (52169964).

Almost surely, 2^520001205 is an apocalyptic number.

It is an amenable number.

520001205 is a deficient number, since it is larger than the sum of its proper divisors (314718219).

520001205 is a wasteful number, since it uses less digits than its factorization.

520001205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113236.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 520001205 is about 22803.5349233403. The cubic root of 520001205 is about 804.1457728679.

The spelling of 520001205 in words is "five hundred twenty million, one thousand, two hundred five".