2500027500 has 60 divisors (see below), whose sum is σ = 7289435384. Its totient is φ = 666672000.

The previous prime is 2500027493. The next prime is 2500027513. The reversal of 2500027500 is 57200052.

It is a tau number, because it is divible by the number of its divisors (60).

2500027500 is a modest number, since divided by 27500 gives 2500 as remainder.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 159169 + ... + 174168.

Almost surely, 2^2500027500 is an apocalyptic number.

2500027500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500027500 is an abundant number, since it is smaller than the sum of its proper divisors (4789407884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2500027500 is a wasteful number, since it uses less digits than its factorization.

2500027500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333364 (or 333347 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 2500027500 is about 50000.2749992438. The cubic root of 2500027500 is about 1357.2137847115.

Adding to 2500027500 its reverse (57200052), we get a palindrome (2557227552).

The spelling of 2500027500 in words is "two billion, five hundred million, twenty-seven thousand, five hundred".