2560523505 has 16 divisors (see below), whose sum is σ = 4312461120. Its totient is φ = 1293738048.

The previous prime is 2560523501. The next prime is 2560523509. The reversal of 2560523505 is 5053250652.

It is an interprime number because it is at equal distance from previous prime (2560523501) and next prime (2560523509).

It is not a de Polignac number, because 2560523505 - 2² = 2560523501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2560523501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4491862 + ... + 4492431.

It is an arithmetic number, because the mean of its divisors is an integer number (269528820).

Almost surely, 2^2560523505 is an apocalyptic number.

It is an amenable number.

2560523505 is a deficient number, since it is larger than the sum of its proper divisors (1751937615).

2560523505 is a wasteful number, since it uses less digits than its factorization.

2560523505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984320.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 2560523505 is about 50601.6156362621. The cubic root of 2560523505 is about 1368.0739990023.

The spelling of 2560523505 in words is "two billion, five hundred sixty million, five hundred twenty-three thousand, five hundred five".