520671071 has 16 divisors (see below), whose sum is σ = 545664000. Its totient is φ = 496247040.

The previous prime is 520671049. The next prime is 520671127. The reversal of 520671071 is 170176025.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520671071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520671001) 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, 1043180 + ... + 1043678.

It is an arithmetic number, because the mean of its divisors is an integer number (34104000).

Almost surely, 2^520671071 is an apocalyptic number.

520671071 is a deficient number, since it is larger than the sum of its proper divisors (24992929).

520671071 is a wasteful number, since it uses less digits than its factorization.

520671071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 520671071 is about 22818.2179628471. The cubic root of 520671071 is about 804.4909251275.

The spelling of 520671071 in words is "five hundred twenty million, six hundred seventy-one thousand, seventy-one".