2560122613 has 4 divisors (see below), whose sum is σ = 2561832000. Its totient is φ = 2558413228.

The previous prime is 2560122589. The next prime is 2560122731. The reversal of 2560122613 is 3162210652.

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 2560122613 - 2²⁵ = 2526568181 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 (2560122013) 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, 852445 + ... + 855442.

It is an arithmetic number, because the mean of its divisors is an integer number (640458000).

Almost surely, 2^2560122613 is an apocalyptic number.

It is an amenable number.

2560122613 is a deficient number, since it is larger than the sum of its proper divisors (1709387).

2560122613 is a wasteful number, since it uses less digits than its factorization.

2560122613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709386.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2560122613 is about 50597.6542242820. The cubic root of 2560122613 is about 1368.0025971261.

The spelling of 2560122613 in words is "two billion, five hundred sixty million, one hundred twenty-two thousand, six hundred thirteen".