520524445 has 16 divisors (see below), whose sum is σ = 755854848. Its totient is φ = 335934720.

The previous prime is 520524413. The next prime is 520524463. The reversal of 520524445 is 544425025.

It is not a de Polignac number, because 520524445 - 2⁵ = 520524413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436821 + ... + 438010.

It is an arithmetic number, because the mean of its divisors is an integer number (47240928).

Almost surely, 2^520524445 is an apocalyptic number.

It is an amenable number.

520524445 is a deficient number, since it is larger than the sum of its proper divisors (235330403).

520524445 is a wasteful number, since it uses less digits than its factorization.

520524445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874860.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 520524445 is about 22815.0048213889. The cubic root of 520524445 is about 804.4154005673.

The spelling of 520524445 in words is "five hundred twenty million, five hundred twenty-four thousand, four hundred forty-five".