2528526081 has 16 divisors (see below), whose sum is σ = 3413608704. Its totient is φ = 1664673024.

The previous prime is 2528526031. The next prime is 2528526089. The reversal of 2528526081 is 1806258252.

2528526081 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2528526081 - 2⁹ = 2528525569 is a prime.

It is a super-2 number, since 2×2528526081² = 12786888284594437122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2528526089) 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, 80440 + ... + 107366.

It is an arithmetic number, because the mean of its divisors is an integer number (213350544).

Almost surely, 2^2528526081 is an apocalyptic number.

It is an amenable number.

2528526081 is a deficient number, since it is larger than the sum of its proper divisors (885082623).

2528526081 is a wasteful number, since it uses less digits than its factorization.

2528526081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27320.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 2528526081 is about 50284.4516824038. The cubic root of 2528526081 is about 1362.3514109599.

The spelling of 2528526081 in words is "two billion, five hundred twenty-eight million, five hundred twenty-six thousand, eighty-one".