2277725613 has 4 divisors (see below), whose sum is σ = 3036967488. Its totient is φ = 1518483740.

The previous prime is 2277725573. The next prime is 2277725629. The reversal of 2277725613 is 3165277722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2277725613 - 2²⁰ = 2276677037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2277725663) 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, 379620933 + ... + 379620938.

It is an arithmetic number, because the mean of its divisors is an integer number (759241872).

Almost surely, 2^2277725613 is an apocalyptic number.

It is an amenable number.

2277725613 is a deficient number, since it is larger than the sum of its proper divisors (759241875).

2277725613 is an equidigital number, since it uses as much as digits as its factorization.

2277725613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759241874.

The product of its digits is 246960, while the sum is 42.

The square root of 2277725613 is about 47725.5237058746. The cubic root of 2277725613 is about 1315.7310845547.

The spelling of 2277725613 in words is "two billion, two hundred seventy-seven million, seven hundred twenty-five thousand, six hundred thirteen".