2525503918 has 64 divisors (see below), whose sum is σ = 4765132800. Its totient is φ = 978808320.

The previous prime is 2525503913. The next prime is 2525503919. The reversal of 2525503918 is 8193055252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525503913) 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 31 ways as a sum of consecutive naturals, for example, 1648813 + ... + 1650343.

It is an arithmetic number, because the mean of its divisors is an integer number (74455200).

Almost surely, 2^2525503918 is an apocalyptic number.

2525503918 is a deficient number, since it is larger than the sum of its proper divisors (2239628882).

2525503918 is a wasteful number, since it uses less digits than its factorization.

2525503918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 2525503918 is about 50254.3920269662. The cubic root of 2525503918 is about 1361.8084214429.

The spelling of 2525503918 in words is "two billion, five hundred twenty-five million, five hundred three thousand, nine hundred eighteen".