2511445225 has 12 divisors (see below), whose sum is σ = 3122689024. Its totient is φ = 2003674320.

The previous prime is 2511445217. The next prime is 2511445231. The reversal of 2511445225 is 5225441152.

It is not a de Polignac number, because 2511445225 - 2³ = 2511445217 is a prime.

It is a super-3 number, since 3×2511445225³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127689 + ... + 146038.

Almost surely, 2^2511445225 is an apocalyptic number.

2511445225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2511445225 is a deficient number, since it is larger than the sum of its proper divisors (611243799).

2511445225 is a wasteful number, since it uses less digits than its factorization.

2511445225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274104 (or 274099 counting only the distinct ones).

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

The square root of 2511445225 is about 50114.3215558188. The cubic root of 2511445225 is about 1359.2767970456.

Adding to 2511445225 its reverse (5225441152), we get a palindrome (7736886377).

The spelling of 2511445225 in words is "two billion, five hundred eleven million, four hundred forty-five thousand, two hundred twenty-five".