3097151 has 2 divisors, whose sum is σ = 3097152. Its totient is φ = 3097150.

The previous prime is 3097141. The next prime is 3097169. The reversal of 3097151 is 1517903.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3097151 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3097151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3097121) 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, 1548575 + 1548576.

It is an arithmetic number, because the mean of its divisors is an integer number (1548576).

Almost surely, 2^3097151 is an apocalyptic number.

3097151 is a deficient number, since it is larger than the sum of its proper divisors (1).

3097151 is an equidigital number, since it uses as much as digits as its factorization.

3097151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 3097151 is about 1759.8724385591. The cubic root of 3097151 is about 145.7652918688.

The spelling of 3097151 in words is "three million, ninety-seven thousand, one hundred fifty-one".