2528822641 has 8 divisors (see below), whose sum is σ = 2742884424. Its totient is φ = 2322017280.

The previous prime is 2528822633. The next prime is 2528822677. The reversal of 2528822641 is 1462288252.

It can be written as a sum of positive squares in 4 ways, for example, as 67174416 + 2461648225 = 8196^2 + 49615^2 .

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 2528822641 - 2³ = 2528822633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2528822594 and 2528822603.

It is not an unprimeable number, because it can be changed into a prime (2528822041) 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, 1813380 + ... + 1814773.

It is an arithmetic number, because the mean of its divisors is an integer number (342860553).

Almost surely, 2^2528822641 is an apocalyptic number.

It is an amenable number.

2528822641 is a deficient number, since it is larger than the sum of its proper divisors (214061783).

2528822641 is a wasteful number, since it uses less digits than its factorization.

2528822641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628211.

The product of its digits is 122880, while the sum is 40.

The square root of 2528822641 is about 50287.4004199859. The cubic root of 2528822641 is about 1362.4046703327.

The spelling of 2528822641 in words is "two billion, five hundred twenty-eight million, eight hundred twenty-two thousand, six hundred forty-one".