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3097 = 19163

3097 has 4 divisors (see below), whose sum is σ = 3280. Its totient is φ = 2916.

The previous prime is 3089. The next prime is 3109. The reversal of 3097 is 7903.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7903 = 71129.

It is a 3-Lehmer number, since φ(3097) divides (3097-1)3.

It is a cyclic number.

It is not a de Polignac number, because 3097 - 23 = 3089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 163 = 3097 / (3 + 0 + 9 + 7).

It is a Duffinian number.

3097 is a lucky number.

It is a plaindrome in base 11.

It is a nialpdrome in base 9 and base 15.

It is a panconsummate number.

It is not an unprimeable number, because it can be changed into a prime (3037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63 + ... + 100.

It is an arithmetic number, because the mean of its divisors is an integer number (820).

It is an amenable number.

3097 is a deficient number, since it is larger than the sum of its proper divisors (183).

3097 is a wasteful number, since it uses less digits than its factorization.

3097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 3097 is about 55.6506963119. The cubic root of 3097 is about 14.5762922926.

The spelling of 3097 in words is "three thousand, ninety-seven".

Divisors: 1 19 163 3097