3045257 has 2 divisors, whose sum is σ = 3045258. Its totient is φ = 3045256.

The previous prime is 3045253. The next prime is 3045281. The reversal of 3045257 is 7525403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3041536 + 3721 = 1744^2 + 61^2 .

It is an emirp because it is prime and its reverse (7525403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3045257 - 2² = 3045253 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3045253) 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, 1522628 + 1522629.

It is an arithmetic number, because the mean of its divisors is an integer number (1522629).

Almost surely, 2^3045257 is an apocalyptic number.

It is an amenable number.

3045257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3045257 is an equidigital number, since it uses as much as digits as its factorization.

3045257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 3045257 is about 1745.0664743786. The cubic root of 3045257 is about 144.9465835745.

The spelling of 3045257 in words is "three million, forty-five thousand, two hundred fifty-seven".