520642067 has 12 divisors (see below), whose sum is σ = 586239528. Its totient is φ = 461762400.

The previous prime is 520642063. The next prime is 520642103. The reversal of 520642067 is 760246025.

It is not a de Polignac number, because 520642067 - 2² = 520642063 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520642061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47513 + ... + 57434.

It is an arithmetic number, because the mean of its divisors is an integer number (48853294).

Almost surely, 2^520642067 is an apocalyptic number.

520642067 is a deficient number, since it is larger than the sum of its proper divisors (65597461).

520642067 is a wasteful number, since it uses less digits than its factorization.

520642067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105010 (or 104999 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 520642067 is about 22817.5824091861. The cubic root of 520642067 is about 804.4759867852.

The spelling of 520642067 in words is "five hundred twenty million, six hundred forty-two thousand, sixty-seven".