2511220325 has 6 divisors (see below), whose sum is σ = 3113913234. Its totient is φ = 2008976240.

The previous prime is 2511220301. The next prime is 2511220337. The reversal of 2511220325 is 5230221152.

It can be written as a sum of positive squares in 3 ways, for example, as 417425761 + 2093794564 = 20431^2 + 45758^2 .

It is not a de Polignac number, because 2511220325 - 2²² = 2507026021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2511220325.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 50224382 + ... + 50224431.

It is an arithmetic number, because the mean of its divisors is an integer number (518985539).

Almost surely, 2^2511220325 is an apocalyptic number.

2511220325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2511220325 is a deficient number, since it is larger than the sum of its proper divisors (602692909).

2511220325 is a wasteful number, since it uses less digits than its factorization.

2511220325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100448823 (or 100448818 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2511220325 is about 50112.0776360350. The cubic root of 2511220325 is about 1359.2362214075.

Adding to 2511220325 its reverse (5230221152), we get a palindrome (7741441477).

The spelling of 2511220325 in words is "two billion, five hundred eleven million, two hundred twenty thousand, three hundred twenty-five".