2525280005 has 4 divisors (see below), whose sum is σ = 3030336012. Its totient is φ = 2020224000.

The previous prime is 2525280001. The next prime is 2525280019. The reversal of 2525280005 is 5000825252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 372412804 + 2152867201 = 19298^2 + 46399^2 .

It is not a de Polignac number, because 2525280005 - 2² = 2525280001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2525280005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525280001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252527996 + ... + 252528005.

It is an arithmetic number, because the mean of its divisors is an integer number (757584003).

Almost surely, 2^2525280005 is an apocalyptic number.

It is an amenable number.

2525280005 is a deficient number, since it is larger than the sum of its proper divisors (505056007).

2525280005 is an equidigital number, since it uses as much as digits as its factorization.

2525280005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505056006.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2525280005 is about 50252.1641822519. The cubic root of 2525280005 is about 1361.7681739476.

The spelling of 2525280005 in words is "two billion, five hundred twenty-five million, two hundred eighty thousand, five".