2528521063 has 4 divisors (see below), whose sum is σ = 2528677528. Its totient is φ = 2528364600.

The previous prime is 2528521033. The next prime is 2528521067. The reversal of 2528521063 is 3601258252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2528521063 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 (2528521067) 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, 50781 + ... + 87382.

It is an arithmetic number, because the mean of its divisors is an integer number (632169382).

Almost surely, 2^2528521063 is an apocalyptic number.

2528521063 is a deficient number, since it is larger than the sum of its proper divisors (156465).

2528521063 is a wasteful number, since it uses less digits than its factorization.

2528521063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156464.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2528521063 is about 50284.4017862398. The cubic root of 2528521063 is about 1362.3505097387.

The spelling of 2528521063 in words is "two billion, five hundred twenty-eight million, five hundred twenty-one thousand, sixty-three".