2525002525 has 18 divisors (see below), whose sum is σ = 3162629486. Its totient is φ = 1999800000.

The previous prime is 2525002523. The next prime is 2525002531. The reversal of 2525002525 is 5252005252.

It can be written as a sum of positive squares in 9 ways, for example, as 286387929 + 2238614596 = 16923^2 + 47314^2 .

It is not a de Polignac number, because 2525002525 - 2¹ = 2525002523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2525002493 and 2525002502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525002523) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 250075 + ... + 259975.

Almost surely, 2^2525002525 is an apocalyptic number.

2525002525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2525002525 is a deficient number, since it is larger than the sum of its proper divisors (637626961).

2525002525 is an equidigital number, since it uses as much as digits as its factorization.

2525002525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10113 (or 10007 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 2525002525 is about 50249.4032302872. The cubic root of 2525002525 is about 1361.7182946902.

Adding to 2525002525 its reverse (5252005252), we get a palindrome (7777007777).

It can be divided in two parts, 252500 and 2525, that multiplied together give a square (637562500 = 25250²).

The spelling of 2525002525 in words is "two billion, five hundred twenty-five million, two thousand, five hundred twenty-five".