520345106 has 16 divisors (see below), whose sum is σ = 807383808. Its totient is φ = 251252400.

The previous prime is 520345093. The next prime is 520345117. The reversal of 520345106 is 601543025.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21896 + ... + 38988.

It is an arithmetic number, because the mean of its divisors is an integer number (50461488).

Almost surely, 2^520345106 is an apocalyptic number.

520345106 is a deficient number, since it is larger than the sum of its proper divisors (287038702).

520345106 is a wasteful number, since it uses less digits than its factorization.

520345106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17617.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 520345106 is about 22811.0741965388. The cubic root of 520345106 is about 804.3230068120.

The spelling of 520345106 in words is "five hundred twenty million, three hundred forty-five thousand, one hundred six".