520562545 has 16 divisors (see below), whose sum is σ = 631231488. Its totient is φ = 412102080.

The previous prime is 520562533. The next prime is 520562563. The reversal of 520562545 is 545265025.

It is not a de Polignac number, because 520562545 - 2⁷ = 520562417 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 520562545.

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, 211512 + ... + 213958.

It is an arithmetic number, because the mean of its divisors is an integer number (39451968).

Almost surely, 2^520562545 is an apocalyptic number.

It is an amenable number.

520562545 is a deficient number, since it is larger than the sum of its proper divisors (110668943).

520562545 is a wasteful number, since it uses less digits than its factorization.

520562545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 520562545 is about 22815.8397829227. The cubic root of 520562545 is about 804.4350265934.

The spelling of 520562545 in words is "five hundred twenty million, five hundred sixty-two thousand, five hundred forty-five".