3007661 has 2 divisors, whose sum is σ = 3007662. Its totient is φ = 3007660.

The previous prime is 3007639. The next prime is 3007709. The reversal of 3007661 is 1667003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1612900 + 1394761 = 1270^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 3007661 - 2¹⁴ = 2991277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3007621) 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, 1503830 + 1503831.

It is an arithmetic number, because the mean of its divisors is an integer number (1503831).

Almost surely, 2^3007661 is an apocalyptic number.

It is an amenable number.

3007661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3007661 is an equidigital number, since it uses as much as digits as its factorization.

3007661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 3007661 is about 1734.2609376908. The cubic root of 3007661 is about 144.3476201648.

The spelling of 3007661 in words is "three million, seven thousand, six hundred sixty-one".