2093561 has 4 divisors (see below), whose sum is σ = 2098512. Its totient is φ = 2088612.

The previous prime is 2093557. The next prime is 2093573. The reversal of 2093561 is 1653902.

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 not a de Polignac number, because 2093561 - 2² = 2093557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2093561.

It is not an unprimeable number, because it can be changed into a prime (2093761) 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, 1775 + ... + 2708.

It is an arithmetic number, because the mean of its divisors is an integer number (524628).

2^2093561 is an apocalyptic number.

It is an amenable number.

2093561 is a deficient number, since it is larger than the sum of its proper divisors (4951).

2093561 is an equidigital number, since it uses as much as digits as its factorization.

2093561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2093561 is about 1446.9143029219. The cubic root of 2093561 is about 127.9268991780.

The spelling of 2093561 in words is "two million, ninety-three thousand, five hundred sixty-one".