2528281329 has 16 divisors (see below), whose sum is σ = 3882958848. Its totient is φ = 1433354832.

The previous prime is 2528281237. The next prime is 2528281351. The reversal of 2528281329 is 9231828252.

It is not a de Polignac number, because 2528281329 - 2⁸ = 2528281073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2528280329) 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, 471327 + ... + 476660.

It is an arithmetic number, because the mean of its divisors is an integer number (242684928).

Almost surely, 2^2528281329 is an apocalyptic number.

It is an amenable number.

2528281329 is a deficient number, since it is larger than the sum of its proper divisors (1354677519).

2528281329 is a wasteful number, since it uses less digits than its factorization.

2528281329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948124.

The product of its digits is 138240, while the sum is 42.

The square root of 2528281329 is about 50282.0179487657. The cubic root of 2528281329 is about 1362.3074526773.

The spelling of 2528281329 in words is "two billion, five hundred twenty-eight million, two hundred eighty-one thousand, three hundred twenty-nine".