2146541 has 4 divisors (see below), whose sum is σ = 2149692. Its totient is φ = 2143392.

The previous prime is 2146531. The next prime is 2146549. The reversal of 2146541 is 1456412.

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 958441 + 1188100 = 979^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146541 - 2⁶ = 2146477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (537423).

2^2146541 is an apocalyptic number.

It is an amenable number.

2146541 is a deficient number, since it is larger than the sum of its proper divisors (3151).

2146541 is an equidigital number, since it uses as much as digits as its factorization.

2146541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150.

The product of its digits is 960, while the sum is 23.

The square root of 2146541 is about 1465.1078458598. The cubic root of 2146541 is about 128.9970353664.

The spelling of 2146541 in words is "two million, one hundred forty-six thousand, five hundred forty-one".