4303661 has 2 divisors, whose sum is σ = 4303662. Its totient is φ = 4303660.

The previous prime is 4303657. The next prime is 4303667. The reversal of 4303661 is 1663034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 481636 = 1955^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 4303661 - 2² = 4303657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4303667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2151830 + 2151831.

It is an arithmetic number, because the mean of its divisors is an integer number (2151831).

Almost surely, 2^4303661 is an apocalyptic number.

It is an amenable number.

4303661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4303661 is an equidigital number, since it uses as much as digits as its factorization.

4303661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 4303661 is about 2074.5266930073. The cubic root of 4303661 is about 162.6594694888.

Adding to 4303661 its reverse (1663034), we get a palindrome (5966695).

The spelling of 4303661 in words is "four million, three hundred three thousand, six hundred sixty-one".