8520207043 has 4 divisors (see below), whose sum is σ = 8520435208. Its totient is φ = 8519978880.

The previous prime is 8520207029. The next prime is 8520207053. The reversal of 8520207043 is 3407020258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3407020258 = 2 ⋅1703510129.

It is a cyclic number.

It is not a de Polignac number, because 8520207043 - 2⁵ = 8520207011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8520206996 and 8520207014.

It is not an unprimeable number, because it can be changed into a prime (8520207013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43521 + ... + 137602.

It is an arithmetic number, because the mean of its divisors is an integer number (2130108802).

Almost surely, 2^8520207043 is an apocalyptic number.

8520207043 is a deficient number, since it is larger than the sum of its proper divisors (228165).

8520207043 is a wasteful number, since it uses less digits than its factorization.

8520207043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228164.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 8520207043 is about 92304.9675965492. The cubic root of 8520207043 is about 2042.4434903293.

The spelling of 8520207043 in words is "eight billion, five hundred twenty million, two hundred seven thousand, forty-three".