2611633253 has 4 divisors (see below), whose sum is σ = 2626062348. Its totient is φ = 2597204160.

The previous prime is 2611633249. The next prime is 2611633259. The reversal of 2611633253 is 3523361162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3523361162 = 2 ⋅1761680581.

It can be written as a sum of positive squares in 2 ways, for example, as 482549089 + 2129084164 = 21967^2 + 46142^2 .

It is a cyclic number.

It is not a de Polignac number, because 2611633253 - 2² = 2611633249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611633259) 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, 7214276 + ... + 7214637.

It is an arithmetic number, because the mean of its divisors is an integer number (656515587).

Almost surely, 2^2611633253 is an apocalyptic number.

It is an amenable number.

2611633253 is a deficient number, since it is larger than the sum of its proper divisors (14429095).

2611633253 is a wasteful number, since it uses less digits than its factorization.

2611633253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14429094.

The product of its digits is 19440, while the sum is 32.

The square root of 2611633253 is about 51104.1412509789. The cubic root of 2611633253 is about 1377.1166523629.

The spelling of 2611633253 in words is "two billion, six hundred eleven million, six hundred thirty-three thousand, two hundred fifty-three".