2114561 has 4 divisors (see below), whose sum is σ = 2125824. Its totient is φ = 2103300.

The previous prime is 2114549. The next prime is 2114621. The reversal of 2114561 is 1654112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2114561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2114531) 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, 5345 + ... + 5726.

It is an arithmetic number, because the mean of its divisors is an integer number (531456).

2^2114561 is an apocalyptic number.

It is an amenable number.

2114561 is a deficient number, since it is larger than the sum of its proper divisors (11263).

2114561 is a wasteful number, since it uses less digits than its factorization.

2114561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262.

The product of its digits is 240, while the sum is 20.

The square root of 2114561 is about 1454.1530180830. The cubic root of 2114561 is about 128.3532114408.

Adding to 2114561 its reverse (1654112), we get a palindrome (3768673).

The spelling of 2114561 in words is "two million, one hundred fourteen thousand, five hundred sixty-one".