7009897 has 2 divisors, whose sum is σ = 7009898. Its totient is φ = 7009896.

The previous prime is 7009889. The next prime is 7009921. The reversal of 7009897 is 7989007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6095961 + 913936 = 2469^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 7009897 - 2³ = 7009889 is a prime.

It is a super-3 number, since 3×7009897³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7009867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3504948 + 3504949.

It is an arithmetic number, because the mean of its divisors is an integer number (3504949).

Almost surely, 2^7009897 is an apocalyptic number.

It is an amenable number.

7009897 is a deficient number, since it is larger than the sum of its proper divisors (1).

7009897 is an equidigital number, since it uses as much as digits as its factorization.

7009897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 7009897 is about 2647.6210076217. The cubic root of 7009897 is about 191.3832295363.

The spelling of 7009897 in words is "seven million, nine thousand, eight hundred ninety-seven".