3541009 has 4 divisors (see below), whose sum is σ = 3544804. Its totient is φ = 3537216.

The previous prime is 3540991. The next prime is 3541019. The reversal of 3541009 is 9001453.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9001453 = 59 ⋅152567.

It can be written as a sum of positive squares in 2 ways, for example, as 555025 + 2985984 = 745^2 + 1728^2 .

It is a cyclic number.

It is not a de Polignac number, because 3541009 - 2¹³ = 3532817 is a prime.

It is a Duffinian number.

3541009 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3541019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (886201).

Almost surely, 2^3541009 is an apocalyptic number.

It is an amenable number.

3541009 is a deficient number, since it is larger than the sum of its proper divisors (3795).

3541009 is a wasteful number, since it uses less digits than its factorization.

3541009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 3541009 is about 1881.7568918434. The cubic root of 3541009 is about 152.4201355539.

The spelling of 3541009 in words is "three million, five hundred forty-one thousand, nine".