3002981 has 2 divisors, whose sum is σ = 3002982. Its totient is φ = 3002980.

The previous prime is 3002977. The next prime is 3003017. The reversal of 3002981 is 1892003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 410881 = 1610^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 3002981 - 2² = 3002977 is a prime.

It is a super-2 number, since 2×3002981² = 18035789772722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3002911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1501490 + 1501491.

It is an arithmetic number, because the mean of its divisors is an integer number (1501491).

Almost surely, 2^3002981 is an apocalyptic number.

It is an amenable number.

3002981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3002981 is an equidigital number, since it uses as much as digits as its factorization.

3002981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 3002981 is about 1732.9111344786. The cubic root of 3002981 is about 144.2727117276.

Adding to 3002981 its reverse (1892003), we get a palindrome (4894984).

The spelling of 3002981 in words is "three million, two thousand, nine hundred eighty-one".