2525502500 has 30 divisors (see below), whose sum is σ = 5522774334. Its totient is φ = 1010200000.

The previous prime is 2525502481. The next prime is 2525502521. The reversal of 2525502500 is 52055252.

It can be written as a sum of positive squares in 5 ways, for example, as 355247104 + 2170255396 = 18848^2 + 46586^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2525502500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 502601 + ... + 507600.

Almost surely, 2^2525502500 is an apocalyptic number.

2525502500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525502500 is an abundant number, since it is smaller than the sum of its proper divisors (2997271834).

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

2525502500 is a wasteful number, since it uses less digits than its factorization.

2525502500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010225 (or 1010208 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 2525502500 is about 50254.3779187446. The cubic root of 2525502500 is about 1361.8081665704.

Adding to 2525502500 its reverse (52055252), we get a palindrome (2577557752).

It can be divided in two parts, 25 and 25502500, that multiplied together give a square (637562500 = 25250²).

The spelling of 2525502500 in words is "two billion, five hundred twenty-five million, five hundred two thousand, five hundred".