2525308305 has 16 divisors (see below), whose sum is σ = 4351300800. Its totient is φ = 1243228608.

The previous prime is 2525308277. The next prime is 2525308309. The reversal of 2525308305 is 5038035252.

It is not a de Polignac number, because 2525308305 - 2⁵ = 2525308273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2525308309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6474955 + ... + 6475344.

It is an arithmetic number, because the mean of its divisors is an integer number (271956300).

Almost surely, 2^2525308305 is an apocalyptic number.

It is an amenable number.

2525308305 is a deficient number, since it is larger than the sum of its proper divisors (1825992495).

2525308305 is a wasteful number, since it uses less digits than its factorization.

2525308305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12950320.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2525308305 is about 50252.4457613756. The cubic root of 2525308305 is about 1361.7732608944.

The spelling of 2525308305 in words is "two billion, five hundred twenty-five million, three hundred eight thousand, three hundred five".