4276661 has 2 divisors, whose sum is σ = 4276662. Its totient is φ = 4276660.

The previous prime is 4276637. The next prime is 4276693. The reversal of 4276661 is 1666724.

It is an a-pointer prime, because the next prime (4276693) can be obtained adding 4276661 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 1874161 = 1550^2 + 1369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4276661 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 (4276621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2138330 + 2138331.

It is an arithmetic number, because the mean of its divisors is an integer number (2138331).

Almost surely, 2^4276661 is an apocalyptic number.

It is an amenable number.

4276661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4276661 is an equidigital number, since it uses as much as digits as its factorization.

4276661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 4276661 is about 2068.0089458220. The cubic root of 4276661 is about 162.3185951996.

The spelling of 4276661 in words is "four million, two hundred seventy-six thousand, six hundred sixty-one".