2261317033 has 4 divisors (see below), whose sum is σ = 2394335700. Its totient is φ = 2128298368.

The previous prime is 2261317007. The next prime is 2261317061. The reversal of 2261317033 is 3307131622.

2261317033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1510721424 + 750595609 = 38868^2 + 27397^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261317033 - 2¹⁷ = 2261185961 is a prime.

It is a super-2 number, since 2×2261317033² = 10227109447471846178, 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 = 2261316992 and 2261317010.

It is not an unprimeable number, because it can be changed into a prime (2261317633) 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, 66509308 + ... + 66509341.

It is an arithmetic number, because the mean of its divisors is an integer number (598583925).

Almost surely, 2^2261317033 is an apocalyptic number.

It is an amenable number.

2261317033 is a deficient number, since it is larger than the sum of its proper divisors (133018667).

2261317033 is a wasteful number, since it uses less digits than its factorization.

2261317033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133018666.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 2261317033 is about 47553.3072772021. The cubic root of 2261317033 is about 1312.5639881487.

Adding to 2261317033 its reverse (3307131622), we get a palindrome (5568448655).

The spelling of 2261317033 in words is "two billion, two hundred sixty-one million, three hundred seventeen thousand, thirty-three".