3542681 has 4 divisors (see below), whose sum is σ = 3751092. Its totient is φ = 3334272.

The previous prime is 3542677. The next prime is 3542701. The reversal of 3542681 is 1862453.

3542681 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 1862453 = 59 ⋅31567.

It can be written as a sum of positive squares in 2 ways, for example, as 2611456 + 931225 = 1616^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 3542681 - 2² = 3542677 is a prime.

It is a super-3 number, since 3×3542681³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3542081) 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, 104180 + ... + 104213.

It is an arithmetic number, because the mean of its divisors is an integer number (937773).

Almost surely, 2^3542681 is an apocalyptic number.

It is an amenable number.

3542681 is a deficient number, since it is larger than the sum of its proper divisors (208411).

3542681 is a wasteful number, since it uses less digits than its factorization.

3542681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208410.

The product of its digits is 5760, while the sum is 29.

The square root of 3542681 is about 1882.2011050895. The cubic root of 3542681 is about 152.4441217836. Note that the first 3 decimals are identical.

The spelling of 3542681 in words is "three million, five hundred forty-two thousand, six hundred eighty-one".