2528394547 has 16 divisors (see below), whose sum is σ = 3061271232. Its totient is φ = 2038579200.

The previous prime is 2528394523. The next prime is 2528394587. The reversal of 2528394547 is 7454938252.

It is a happy number.

It is not a de Polignac number, because 2528394547 - 2¹¹ = 2528392499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2528394547.

It is not an unprimeable number, because it can be changed into a prime (2528394587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258547 + ... + 268147.

It is an arithmetic number, because the mean of its divisors is an integer number (191329452).

Almost surely, 2^2528394547 is an apocalyptic number.

2528394547 is a deficient number, since it is larger than the sum of its proper divisors (532876685).

2528394547 is a wasteful number, since it uses less digits than its factorization.

2528394547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11838.

The product of its digits is 2419200, while the sum is 49.

The square root of 2528394547 is about 50283.1437660773. The cubic root of 2528394547 is about 1362.3277873636.

The spelling of 2528394547 in words is "two billion, five hundred twenty-eight million, three hundred ninety-four thousand, five hundred forty-seven".