3056945 has 4 divisors (see below), whose sum is σ = 3668340. Its totient is φ = 2445552.

The previous prime is 3056939. The next prime is 3056951. The reversal of 3056945 is 5496503.

It is a happy number.

3056945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5496503 = 461 ⋅11923.

It is an interprime number because it is at equal distance from previous prime (3056939) and next prime (3056951).

It can be written as a sum of positive squares in 2 ways, for example, as 719104 + 2337841 = 848^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 3056945 - 2⁸ = 3056689 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305690 + ... + 305699.

It is an arithmetic number, because the mean of its divisors is an integer number (917085).

Almost surely, 2^3056945 is an apocalyptic number.

It is an amenable number.

3056945 is a deficient number, since it is larger than the sum of its proper divisors (611395).

3056945 is an equidigital number, since it uses as much as digits as its factorization.

3056945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611394.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 3056945 is about 1748.4121367687. The cubic root of 3056945 is about 145.1317866469.

The spelling of 3056945 in words is "three million, fifty-six thousand, nine hundred forty-five".