2265613245 has 36 divisors (see below), whose sum is σ = 4568220540. Its totient is φ = 1035707904.

The previous prime is 2265613187. The next prime is 2265613249. The reversal of 2265613245 is 5423165622.

2265613245 is a `hidden beast` number, since 2 + 26 + 561 + 32 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 471497796 + 1794115449 = 21714^2 + 42357^2 .

It is not a de Polignac number, because 2265613245 - 2⁷ = 2265613117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265613249) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 511540 + ... + 515949.

It is an arithmetic number, because the mean of its divisors is an integer number (126895015).

Almost surely, 2^2265613245 is an apocalyptic number.

It is an amenable number.

2265613245 is an abundant number, since it is smaller than the sum of its proper divisors (2302607295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2265613245 is a wasteful number, since it uses less digits than its factorization.

2265613245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027514 (or 1027504 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 2265613245 is about 47598.4584309198. The cubic root of 2265613245 is about 1313.3946966370.

Adding to 2265613245 its reverse (5423165622), we get a palindrome (7688778867).

The spelling of 2265613245 in words is "two billion, two hundred sixty-five million, six hundred thirteen thousand, two hundred forty-five".