6235681 has 4 divisors (see below), whose sum is σ = 6436864. Its totient is φ = 6034500.

The previous prime is 6235673. The next prime is 6235699. The reversal of 6235681 is 1865326.

6235681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1865326 = 2 ⋅932663.

It is a cyclic number.

It is not a de Polignac number, because 6235681 - 2³ = 6235673 is a prime.

It is a super-2 number, since 2×6235681² = 77767435067522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 201151 = 6235681 / (6 + 2 + 3 + 5 + 6 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6235601) 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 in 3 ways as a sum of consecutive naturals, for example, 100545 + ... + 100606.

It is an arithmetic number, because the mean of its divisors is an integer number (1609216).

Almost surely, 2^6235681 is an apocalyptic number.

It is an amenable number.

6235681 is a deficient number, since it is larger than the sum of its proper divisors (201183).

6235681 is a wasteful number, since it uses less digits than its factorization.

6235681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201182.

The product of its digits is 8640, while the sum is 31.

The square root of 6235681 is about 2497.1345578483. The cubic root of 6235681 is about 184.0607963087.

The spelling of 6235681 in words is "six million, two hundred thirty-five thousand, six hundred eighty-one".