2505228025 has 6 divisors (see below), whose sum is σ = 3106482782. Its totient is φ = 2004182400.

The previous prime is 2505227993. The next prime is 2505228029. The reversal of 2505228025 is 5208225052.

It can be written as a sum of positive squares in 3 ways, for example, as 6827769 + 2498400256 = 2613^2 + 49984^2 .

It is not a de Polignac number, because 2505228025 - 2⁵ = 2505227993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505228029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50104536 + ... + 50104585.

Almost surely, 2^2505228025 is an apocalyptic number.

2505228025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2505228025 is a deficient number, since it is larger than the sum of its proper divisors (601254757).

2505228025 is a wasteful number, since it uses less digits than its factorization.

2505228025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100209131 (or 100209126 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 2505228025 is about 50052.2529462960. The cubic root of 2505228025 is about 1358.1542191299.

The spelling of 2505228025 in words is "two billion, five hundred five million, two hundred twenty-eight thousand, twenty-five".