3205897 has 2 divisors, whose sum is σ = 3205898. Its totient is φ = 3205896.

The previous prime is 3205879. The next prime is 3205903. The reversal of 3205897 is 7985023.

Together with previous prime (3205879) 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., 2611456 + 594441 = 1616^2 + 771^2 .

It is an emirp because it is prime and its reverse (7985023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3205897 is a prime.

It is not a weakly prime, because it can be changed into another prime (3205837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602948 + 1602949.

It is an arithmetic number, because the mean of its divisors is an integer number (1602949).

Almost surely, 2^3205897 is an apocalyptic number.

It is an amenable number.

3205897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205897 is an equidigital number, since it uses as much as digits as its factorization.

3205897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 3205897 is about 1790.5018849473. The cubic root of 3205897 is about 147.4517241228.

The spelling of 3205897 in words is "three million, two hundred five thousand, eight hundred ninety-seven".