3097813 has 2 divisors, whose sum is σ = 3097814. Its totient is φ = 3097812.

The previous prime is 3097793. The next prime is 3097841. The reversal of 3097813 is 3187903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 1004004 = 1447^2 + 1002^2 .

It is an emirp because it is prime and its reverse (3187903) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3097813 - 2⁵ = 3097781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3097873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1548906 + 1548907.

It is an arithmetic number, because the mean of its divisors is an integer number (1548907).

Almost surely, 2^3097813 is an apocalyptic number.

It is an amenable number.

3097813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3097813 is an equidigital number, since it uses as much as digits as its factorization.

3097813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3097813 is about 1760.0605103234. The cubic root of 3097813 is about 145.7756766546.

The spelling of 3097813 in words is "three million, ninety-seven thousand, eight hundred thirteen".