2500550030025 has 30 divisors (see below), whose sum is σ = 4631883047022. Its totient is φ = 1333626681600.

The previous prime is 2500550030009. The next prime is 2500550030039. The reversal of 2500550030025 is 5200300550052.

It can be written as a sum of positive squares in 3 ways, for example, as 18904325049 + 2481645704976 = 137493^2 + 1575324^2 .

It is not a de Polignac number, because 2500550030025 - 2⁴ = 2500550030009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 617417736 + ... + 617421785.

Almost surely, 2^{2500550030025} is an apocalyptic number.

2500550030025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2500550030025 is a deficient number, since it is larger than the sum of its proper divisors (2131333016997).

2500550030025 is a wasteful number, since it uses less digits than its factorization.

2500550030025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234839543 (or 1234839529 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

Adding to 2500550030025 its reverse (5200300550052), we get a palindrome (7700850580077).

The spelling of 2500550030025 in words is "two trillion, five hundred billion, five hundred fifty million, thirty thousand, twenty-five".