2528375809 has 8 divisors (see below), whose sum is σ = 2777163840. Its totient is φ = 2291159376.

The previous prime is 2528375783. The next prime is 2528375819. The reversal of 2528375809 is 9085738252.

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 2528375809 - 2¹³ = 2528367617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528375819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2892442 + ... + 2893315.

It is an arithmetic number, because the mean of its divisors is an integer number (347145480).

Almost surely, 2^2528375809 is an apocalyptic number.

It is an amenable number.

2528375809 is a deficient number, since it is larger than the sum of its proper divisors (248788031).

2528375809 is a wasteful number, since it uses less digits than its factorization.

2528375809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785799.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 2528375809 is about 50282.9574408666. The cubic root of 2528375809 is about 1362.3244219393.

The spelling of 2528375809 in words is "two billion, five hundred twenty-eight million, three hundred seventy-five thousand, eight hundred nine".