6520067 has 2 divisors, whose sum is σ = 6520068. Its totient is φ = 6520066.

The previous prime is 6520057. The next prime is 6520069. The reversal of 6520067 is 7600256.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6520067 is a prime.

It is a super-2 number, since 2×6520067² = 85022547368978, which contains 22 as substring.

Together with 6520069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6520069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3260033 + 3260034.

It is an arithmetic number, because the mean of its divisors is an integer number (3260034).

Almost surely, 2^6520067 is an apocalyptic number.

6520067 is a deficient number, since it is larger than the sum of its proper divisors (1).

6520067 is an equidigital number, since it uses as much as digits as its factorization.

6520067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 6520067 is about 2553.4421865396. The cubic root of 6520067 is about 186.8174125976.

The spelling of 6520067 in words is "six million, five hundred twenty thousand, sixty-seven".