521471043 has 6 divisors (see below), whose sum is σ = 753235964. Its totient is φ = 347647356.

The previous prime is 521470997. The next prime is 521471051. The reversal of 521471043 is 340174125.

It is not a de Polignac number, because 521471043 - 2¹⁷ = 521339971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 521470998 and 521471016.

It is not an unprimeable number, because it can be changed into a prime (521471053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28970605 + ... + 28970622.

Almost surely, 2^521471043 is an apocalyptic number.

521471043 is a deficient number, since it is larger than the sum of its proper divisors (231764921).

521471043 is a wasteful number, since it uses less digits than its factorization.

521471043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57941233 (or 57941230 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 521471043 is about 22835.7404740902. The cubic root of 521471043 is about 804.9027275956.

The spelling of 521471043 in words is "five hundred twenty-one million, four hundred seventy-one thousand, forty-three".