3097649 has 2 divisors, whose sum is σ = 3097650. Its totient is φ = 3097648.

The previous prime is 3097639. The next prime is 3097687. The reversal of 3097649 is 9467903.

It is an a-pointer prime, because the next prime (3097687) can be obtained adding 3097649 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3097600 + 49 = 1760^2 + 7^2 .

It is an emirp because it is prime and its reverse (9467903) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3097649 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 (3097639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1548824 + 1548825.

It is an arithmetic number, because the mean of its divisors is an integer number (1548825).

Almost surely, 2^3097649 is an apocalyptic number.

It is an amenable number.

3097649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3097649 is an equidigital number, since it uses as much as digits as its factorization.

3097649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3097649 is about 1760.0139203995. The cubic root of 3097649 is about 145.7731041265.

It can be divided in two parts, 30976 and 49, that multiplied together give a square (1517824 = 1232²).

The spelling of 3097649 in words is "three million, ninety-seven thousand, six hundred forty-nine".