3109297 has 2 divisors, whose sum is σ = 3109298. Its totient is φ = 3109296.

The previous prime is 3109279. The next prime is 3109307. The reversal of 3109297 is 7929013.

Together with previous prime (3109279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2961841 + 147456 = 1721^2 + 384^2 .

It is an emirp because it is prime and its reverse (7929013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3109297 - 2¹¹ = 3107249 is a prime.

It is not a weakly prime, because it can be changed into another prime (3109247) 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 as a sum of consecutive naturals, namely, 1554648 + 1554649.

It is an arithmetic number, because the mean of its divisors is an integer number (1554649).

Almost surely, 2^3109297 is an apocalyptic number.

It is an amenable number.

3109297 is a deficient number, since it is larger than the sum of its proper divisors (1).

3109297 is an equidigital number, since it uses as much as digits as its factorization.

3109297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 3109297 is about 1763.3198802259. The cubic root of 3109297 is about 145.9555910472.

The spelling of 3109297 in words is "three million, one hundred nine thousand, two hundred ninety-seven".