2500287500 has 36 divisors (see below), whose sum is σ = 5469056208. Its totient is φ = 1000110000.

The previous prime is 2500287499. The next prime is 2500287509. The reversal of 2500287500 is 57820052.

It is not an unprimeable number, because it can be changed into a prime (2500287509) 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 11 ways as a sum of consecutive naturals, for example, 87512 + ... + 112511.

It is an arithmetic number, because the mean of its divisors is an integer number (151918228).

Almost surely, 2^2500287500 is an apocalyptic number.

2500287500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500287500 is an abundant number, since it is smaller than the sum of its proper divisors (2968768708).

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

2500287500 is an equidigital number, since it uses as much as digits as its factorization.

2500287500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200052 (or 200030 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2500287500 is about 50002.8749173485. The cubic root of 2500287500 is about 1357.2608326409.

The spelling of 2500287500 in words is "two billion, five hundred million, two hundred eighty-seven thousand, five hundred".