2261040053 has 4 divisors (see below), whose sum is σ = 2275441740. Its totient is φ = 2246638368.

The previous prime is 2261040037. The next prime is 2261040077. The reversal of 2261040053 is 3500401622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3500401622 = 2 ⋅1750200811.

It can be written as a sum of positive squares in 2 ways, for example, as 1418124964 + 842915089 = 37658^2 + 29033^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261040053 - 2⁴ = 2261040037 is a prime.

It is a super-2 number, since 2×2261040053² = 10224604242540485618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261049053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7200608 + ... + 7200921.

It is an arithmetic number, because the mean of its divisors is an integer number (568860435).

Almost surely, 2^2261040053 is an apocalyptic number.

It is an amenable number.

2261040053 is a deficient number, since it is larger than the sum of its proper divisors (14401687).

2261040053 is a wasteful number, since it uses less digits than its factorization.

2261040053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14401686.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2261040053 is about 47550.3948774350. The cubic root of 2261040053 is about 1312.5103956607.

Adding to 2261040053 its reverse (3500401622), we get a palindrome (5761441675).

The spelling of 2261040053 in words is "two billion, two hundred sixty-one million, forty thousand, fifty-three".