2265166313 has 4 divisors (see below), whose sum is σ = 2265421188. Its totient is φ = 2264911440.

The previous prime is 2265166303. The next prime is 2265166333. The reversal of 2265166313 is 3136615622.

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 1096073449 + 1169092864 = 33107^2 + 34192^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265166313 - 2²² = 2260972009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2265166303) 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, 113606 + ... + 132047.

It is an arithmetic number, because the mean of its divisors is an integer number (566355297).

Almost surely, 2^2265166313 is an apocalyptic number.

It is an amenable number.

2265166313 is a deficient number, since it is larger than the sum of its proper divisors (254875).

2265166313 is an equidigital number, since it uses as much as digits as its factorization.

2265166313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254874.

The product of its digits is 38880, while the sum is 35.

The square root of 2265166313 is about 47593.7633834518. The cubic root of 2265166313 is about 1313.3083275678.

The spelling of 2265166313 in words is "two billion, two hundred sixty-five million, one hundred sixty-six thousand, three hundred thirteen".