2505250825 has 48 divisors (see below), whose sum is σ = 3880930176. Its totient is φ = 1558540800.

The previous prime is 2505250789. The next prime is 2505250837. The reversal of 2505250825 is 5280525052.

It is a happy number.

It is not a de Polignac number, because 2505250825 - 2⁹ = 2505250313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1256029 + ... + 1258021.

It is an arithmetic number, because the mean of its divisors is an integer number (80852712).

Almost surely, 2^2505250825 is an apocalyptic number.

2505250825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2505250825 is a deficient number, since it is larger than the sum of its proper divisors (1375679351).

2505250825 is a wasteful number, since it uses less digits than its factorization.

2505250825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674 (or 2669 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 2505250825 is about 50052.4807077531. The cubic root of 2505250825 is about 1358.1583392900.

Adding to 2505250825 its reverse (5280525052), we get a palindrome (7785775877).

The spelling of 2505250825 in words is "two billion, five hundred five million, two hundred fifty thousand, eight hundred twenty-five".