4240661 has 2 divisors, whose sum is σ = 4240662. Its totient is φ = 4240660.

The previous prime is 4240627. The next prime is 4240673. The reversal of 4240661 is 1660424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3591025 + 649636 = 1895^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240661 - 2⁶ = 4240597 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 (4242661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120330 + 2120331.

It is an arithmetic number, because the mean of its divisors is an integer number (2120331).

Almost surely, 2^4240661 is an apocalyptic number.

It is an amenable number.

4240661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240661 is an equidigital number, since it uses as much as digits as its factorization.

4240661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4240661 is about 2059.2865269311. The cubic root of 4240661 is about 161.8618570348.

The spelling of 4240661 in words is "four million, two hundred forty thousand, six hundred sixty-one".