2528980321 has 8 divisors (see below), whose sum is σ = 2918324864. Its totient is φ = 2146651200.

The previous prime is 2528980297. The next prime is 2528980339. The reversal of 2528980321 is 1230898252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2528980321 - 2⁹ = 2528979809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2528980381) 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 7 ways as a sum of consecutive naturals, for example, 1753080 + ... + 1754521.

It is an arithmetic number, because the mean of its divisors is an integer number (364790608).

Almost surely, 2^2528980321 is an apocalyptic number.

It is an amenable number.

2528980321 is a deficient number, since it is larger than the sum of its proper divisors (389344543).

2528980321 is a wasteful number, since it uses less digits than its factorization.

2528980321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507711.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 2528980321 is about 50288.9681838870. The cubic root of 2528980321 is about 1362.4329864748.

The spelling of 2528980321 in words is "two billion, five hundred twenty-eight million, nine hundred eighty thousand, three hundred twenty-one".