6800531 has 2 divisors, whose sum is σ = 6800532. Its totient is φ = 6800530.

The previous prime is 6800513. The next prime is 6800533. The reversal of 6800531 is 1350086.

Together with previous prime (6800513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6800531 is a prime.

It is a super-2 number, since 2×6800531² = 92494443763922, which contains 22 as substring.

Together with 6800533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6800497 and 6800506.

It is not a weakly prime, because it can be changed into another prime (6800533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400265 + 3400266.

It is an arithmetic number, because the mean of its divisors is an integer number (3400266).

Almost surely, 2^6800531 is an apocalyptic number.

6800531 is a deficient number, since it is larger than the sum of its proper divisors (1).

6800531 is an equidigital number, since it uses as much as digits as its factorization.

6800531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 6800531 is about 2607.7827746958. The cubic root of 6800531 is about 189.4585786758.

The spelling of 6800531 in words is "six million, eight hundred thousand, five hundred thirty-one".