3561361 has 8 divisors (see below), whose sum is σ = 3697704. Its totient is φ = 3427200.

The previous prime is 3561359. The next prime is 3561367. The reversal of 3561361 is 1631653.

It can be written as a sum of positive squares in 4 ways, for example, as 2085136 + 1476225 = 1444^2 + 1215^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3561361 - 2¹ = 3561359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3561367) 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, 3261 + ... + 4213.

It is an arithmetic number, because the mean of its divisors is an integer number (462213).

Almost surely, 2^3561361 is an apocalyptic number.

It is an amenable number.

3561361 is a deficient number, since it is larger than the sum of its proper divisors (136343).

3561361 is a wasteful number, since it uses less digits than its factorization.

3561361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its digits is 1620, while the sum is 25.

The square root of 3561361 is about 1887.1568562258. The cubic root of 3561361 is about 152.7115901900.

The spelling of 3561361 in words is "three million, five hundred sixty-one thousand, three hundred sixty-one".