2528280005 has 8 divisors (see below), whose sum is σ = 3035013624. Its totient is φ = 2021905600.

The previous prime is 2528279983. The next prime is 2528280019. The reversal of 2528280005 is 5000828252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22877089 + 2505402916 = 4783^2 + 50054^2 .

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

It is not a de Polignac number, because 2528280005 - 2¹² = 2528275909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74066 + ... + 102675.

It is an arithmetic number, because the mean of its divisors is an integer number (379376703).

Almost surely, 2^2528280005 is an apocalyptic number.

It is an amenable number.

2528280005 is a deficient number, since it is larger than the sum of its proper divisors (506733619).

2528280005 is a wasteful number, since it uses less digits than its factorization.

2528280005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179607.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 2528280005 is about 50282.0047830235. The cubic root of 2528280005 is about 1362.3072148747.

The spelling of 2528280005 in words is "two billion, five hundred twenty-eight million, two hundred eighty thousand, five".