2520522656 has 24 divisors (see below), whose sum is σ = 4966847424. Its totient is φ = 1259101120.

The previous prime is 2520522583. The next prime is 2520522659. The reversal of 2520522656 is 6562250252.

It is not an unprimeable number, because it can be changed into a prime (2520522659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410 + ... + 71001.

It is an arithmetic number, because the mean of its divisors is an integer number (206951976).

Almost surely, 2^2520522656 is an apocalyptic number.

It is an amenable number.

2520522656 is a deficient number, since it is larger than the sum of its proper divisors (2446324768).

2520522656 is a wasteful number, since it uses less digits than its factorization.

2520522656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72524 (or 72516 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2520522656 is about 50204.8071005158. The cubic root of 2520522656 is about 1360.9124960410.

The spelling of 2520522656 in words is "two billion, five hundred twenty million, five hundred twenty-two thousand, six hundred fifty-six".