3193561 has 4 divisors (see below), whose sum is σ = 3649792. Its totient is φ = 2737332.

The previous prime is 3193559. The next prime is 3193601. The reversal of 3193561 is 1653913.

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 3193561 - 2¹ = 3193559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3193511) 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, 228105 + ... + 228118.

It is an arithmetic number, because the mean of its divisors is an integer number (912448).

Almost surely, 2^3193561 is an apocalyptic number.

It is an amenable number.

3193561 is a deficient number, since it is larger than the sum of its proper divisors (456231).

3193561 is an equidigital number, since it uses as much as digits as its factorization.

3193561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456230.

The product of its digits is 2430, while the sum is 28.

The square root of 3193561 is about 1787.0537205132. The cubic root of 3193561 is about 147.2623540818.

The spelling of 3193561 in words is "three million, one hundred ninety-three thousand, five hundred sixty-one".