2560756522 has 4 divisors (see below), whose sum is σ = 3841134786. Its totient is φ = 1280378260.

The previous prime is 2560756501. The next prime is 2560756531. The reversal of 2560756522 is 2256570652.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2147488281 + 413268241 = 46341^2 + 20329^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640189129 + ... + 640189132.

Almost surely, 2^2560756522 is an apocalyptic number.

2560756522 is a deficient number, since it is larger than the sum of its proper divisors (1280378264).

2560756522 is a wasteful number, since it uses less digits than its factorization.

2560756522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280378263.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 2560756522 is about 50603.9180498902. The cubic root of 2560756522 is about 1368.1154976553.

The spelling of 2560756522 in words is "two billion, five hundred sixty million, seven hundred fifty-six thousand, five hundred twenty-two".