2048561 has 8 divisors (see below), whose sum is σ = 2174880. Its totient is φ = 1924128.

The previous prime is 2048537. The next prime is 2048569. The reversal of 2048561 is 1658402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2048561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2048561.

It is not an unprimeable number, because it can be changed into a prime (2048569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2210 + ... + 2996.

It is an arithmetic number, because the mean of its divisors is an integer number (271860).

2^2048561 is an apocalyptic number.

It is an amenable number.

2048561 is a deficient number, since it is larger than the sum of its proper divisors (126319).

2048561 is a wasteful number, since it uses less digits than its factorization.

2048561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2048561 is about 1431.2794975126. The cubic root of 2048561 is about 127.0036785675.

The spelling of 2048561 in words is "two million, forty-eight thousand, five hundred sixty-one".