4305681 has 12 divisors (see below), whose sum is σ = 6269952. Its totient is φ = 2847096.

The previous prime is 4305673. The next prime is 4305689. The reversal of 4305681 is 1865034.

It is an interprime number because it is at equal distance from previous prime (4305673) and next prime (4305689).

It is not a de Polignac number, because 4305681 - 2³ = 4305673 is a prime.

It is a super-2 number, since 2×4305681² = 37077777747522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4305689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 741 + ... + 3026.

It is an arithmetic number, because the mean of its divisors is an integer number (522496).

Almost surely, 2^4305681 is an apocalyptic number.

It is an amenable number.

4305681 is a deficient number, since it is larger than the sum of its proper divisors (1964271).

4305681 is a wasteful number, since it uses less digits than its factorization.

4305681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900 (or 3897 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4305681 is about 2075.0134939320. The cubic root of 4305681 is about 162.6849145486.

The spelling of 4305681 in words is "four million, three hundred five thousand, six hundred eighty-one".