1093561 has 8 divisors (see below), whose sum is σ = 1293120. Its totient is φ = 904848.

The previous prime is 1093553. The next prime is 1093571. The reversal of 1093561 is 1653901.

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

It is not a de Polignac number, because 1093561 - 2³ = 1093553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1093531) 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, 2491 + ... + 2896.

It is an arithmetic number, because the mean of its divisors is an integer number (161640).

2^1093561 is an apocalyptic number.

It is an amenable number.

1093561 is a deficient number, since it is larger than the sum of its proper divisors (199559).

1093561 is an equidigital number, since it uses as much as digits as its factorization.

1093561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1093561 is about 1045.7346699809. The cubic root of 1093561 is about 103.0261975025.

The spelling of 1093561 in words is "one million, ninety-three thousand, five hundred sixty-one".