2511043225 has 12 divisors (see below), whose sum is σ = 3296852604. Its totient is φ = 1890667520.

The previous prime is 2511043207. The next prime is 2511043247. The reversal of 2511043225 is 5223401152.

It can be written as a sum of positive squares in 6 ways, for example, as 181629529 + 2329413696 = 13477^2 + 48264^2 .

It is not a de Polignac number, because 2511043225 - 2²⁹ = 1974172313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 2511043225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2953744 + ... + 2954593.

It is an arithmetic number, because the mean of its divisors is an integer number (274737717).

Almost surely, 2^2511043225 is an apocalyptic number.

2511043225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2511043225 is a deficient number, since it is larger than the sum of its proper divisors (785809379).

2511043225 is a wasteful number, since it uses less digits than its factorization.

2511043225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908364 (or 5908359 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2511043225 is about 50110.3105657907. The cubic root of 2511043225 is about 1359.2042679662.

Adding to 2511043225 its reverse (5223401152), we get a palindrome (7734444377).

The spelling of 2511043225 in words is "two billion, five hundred eleven million, forty-three thousand, two hundred twenty-five".