6506897 has 2 divisors, whose sum is σ = 6506898. Its totient is φ = 6506896.

The previous prime is 6506893. The next prime is 6506909. The reversal of 6506897 is 7986056.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4343056 + 2163841 = 2084^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 6506897 - 2² = 6506893 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6506891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3253448 + 3253449.

It is an arithmetic number, because the mean of its divisors is an integer number (3253449).

Almost surely, 2^6506897 is an apocalyptic number.

It is an amenable number.

6506897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6506897 is an equidigital number, since it uses as much as digits as its factorization.

6506897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 6506897 is about 2550.8620111641. The cubic root of 6506897 is about 186.6915425323.

The spelling of 6506897 in words is "six million, five hundred six thousand, eight hundred ninety-seven".