7000500521 has 4 divisors (see below), whose sum is σ = 8000572032. Its totient is φ = 6000429012.

The previous prime is 7000500511. The next prime is 7000500583. The reversal of 7000500521 is 1250050007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7000500521 - 2²⁶ = 6933391657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7000500493 and 7000500502.

It is not an unprimeable number, because it can be changed into a prime (7000500511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500035745 + ... + 500035758.

It is an arithmetic number, because the mean of its divisors is an integer number (2000143008).

Almost surely, 2^7000500521 is an apocalyptic number.

It is an amenable number.

7000500521 is a deficient number, since it is larger than the sum of its proper divisors (1000071511).

7000500521 is a wasteful number, since it uses less digits than its factorization.

7000500521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000071510.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 7000500521 is about 83668.9937850337. The cubic root of 7000500521 is about 1912.9767751252.

Adding to 7000500521 its reverse (1250050007), we get a palindrome (8250550528).

The spelling of 7000500521 in words is "seven billion, five hundred thousand, five hundred twenty-one".