3452681 has 4 divisors (see below), whose sum is σ = 3500052. Its totient is φ = 3405312.

The previous prime is 3452671. The next prime is 3452689. The reversal of 3452681 is 1862543.

3452681 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 1974025 = 1216^2 + 1405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3452681 is a prime.

It is a super-2 number, since 2×3452681² = 23842012175522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3452689) 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, 23576 + ... + 23721.

It is an arithmetic number, because the mean of its divisors is an integer number (875013).

Almost surely, 2^3452681 is an apocalyptic number.

It is an amenable number.

3452681 is a deficient number, since it is larger than the sum of its proper divisors (47371).

3452681 is an equidigital number, since it uses as much as digits as its factorization.

3452681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47370.

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

The square root of 3452681 is about 1858.1391228861. The cubic root of 3452681 is about 151.1421114351.

The spelling of 3452681 in words is "three million, four hundred fifty-two thousand, six hundred eighty-one".