3611541 has 8 divisors (see below), whose sum is σ = 4831264. Its totient is φ = 2399760.

The previous prime is 3611521. The next prime is 3611549. The reversal of 3611541 is 1451163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3611541 - 2⁶ = 3611477 is a prime.

It is a Duffinian number.

3611541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3611549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (603908).

Almost surely, 2^3611541 is an apocalyptic number.

It is an amenable number.

3611541 is a deficient number, since it is larger than the sum of its proper divisors (1219723).

3611541 is a wasteful number, since it uses less digits than its factorization.

3611541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971.

The product of its digits is 360, while the sum is 21.

The square root of 3611541 is about 1900.4054830483. The cubic root of 3611541 is about 153.4254891302.

The spelling of 3611541 in words is "three million, six hundred eleven thousand, five hundred forty-one".