33561041 has 4 divisors (see below), whose sum is σ = 34111284. Its totient is φ = 33010800.

The previous prime is 33561023. The next prime is 33561053. The reversal of 33561041 is 14016533.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14016533 = 163 ⋅85991.

It can be written as a sum of positive squares in 2 ways, for example, as 3530641 + 30030400 = 1879^2 + 5480^2 .

It is a cyclic number.

It is not a de Polignac number, because 33561041 - 2²² = 29366737 is a prime.

It is a super-2 number, since 2×33561041² = 2252686946007362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33560998 and 33561016.

It is not an unprimeable number, because it can be changed into a prime (33561641) 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, 275030 + ... + 275151.

It is an arithmetic number, because the mean of its divisors is an integer number (8527821).

Almost surely, 2^33561041 is an apocalyptic number.

It is an amenable number.

33561041 is a deficient number, since it is larger than the sum of its proper divisors (550243).

33561041 is an equidigital number, since it uses as much as digits as its factorization.

33561041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550242.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 33561041 is about 5793.1891907653. The cubic root of 33561041 is about 322.5609635767.

Adding to 33561041 its reverse (14016533), we get a palindrome (47577574).

The spelling of 33561041 in words is "thirty-three million, five hundred sixty-one thousand, forty-one".