2505328825 has 6 divisors (see below), whose sum is σ = 3106607774. Its totient is φ = 2004263040.

The previous prime is 2505328799. The next prime is 2505328871. The reversal of 2505328825 is 5288235052.

It can be written as a sum of positive squares in 3 ways, for example, as 170119849 + 2335208976 = 13043^2 + 48324^2 .

It is not a de Polignac number, because 2505328825 - 2⁹ = 2505328313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50106552 + ... + 50106601.

Almost surely, 2^2505328825 is an apocalyptic number.

2505328825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2505328825 is a deficient number, since it is larger than the sum of its proper divisors (601278949).

2505328825 is a wasteful number, since it uses less digits than its factorization.

2505328825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100213163 (or 100213158 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The square root of 2505328825 is about 50053.2598838477. The cubic root of 2505328825 is about 1358.1724343858.

The spelling of 2505328825 in words is "two billion, five hundred five million, three hundred twenty-eight thousand, eight hundred twenty-five".