2513260765 has 16 divisors (see below), whose sum is σ = 3052652400. Its totient is φ = 1986158592.

The previous prime is 2513260723. The next prime is 2513260781. The reversal of 2513260765 is 5670623152.

It can be written as a sum of positive squares in 8 ways, for example, as 713210436 + 1800050329 = 26706^2 + 42427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2513260765 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 660709 + ... + 664501.

It is an arithmetic number, because the mean of its divisors is an integer number (190790775).

Almost surely, 2^2513260765 is an apocalyptic number.

It is an amenable number.

2513260765 is a deficient number, since it is larger than the sum of its proper divisors (539391635).

2513260765 is a wasteful number, since it uses less digits than its factorization.

2513260765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 2513260765 is about 50132.4322669467. The cubic root of 2513260765 is about 1359.6042614795.

The spelling of 2513260765 in words is "two billion, five hundred thirteen million, two hundred sixty thousand, seven hundred sixty-five".