3052981 has 8 divisors (see below), whose sum is σ = 3168440. Its totient is φ = 2939328.

The previous prime is 3052969. The next prime is 3052991. The reversal of 3052981 is 1892503.

It can be written as a sum of positive squares in 4 ways, for example, as 1512900 + 1540081 = 1230^2 + 1241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(3052981) divides (3052981-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 3052981 - 2⁵ = 3052949 is a prime.

It is a super-2 number, since 2×3052981² = 18641385972722, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3052961) 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 in 7 ways as a sum of consecutive naturals, for example, 3655 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (396055).

Almost surely, 2^3052981 is an apocalyptic number.

It is an amenable number.

3052981 is a deficient number, since it is larger than the sum of its proper divisors (115459).

3052981 is a wasteful number, since it uses less digits than its factorization.

3052981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3052981 is about 1747.2781690389. The cubic root of 3052981 is about 145.0690277760.

The spelling of 3052981 in words is "three million, fifty-two thousand, nine hundred eighty-one".