2511506325 has 12 divisors (see below), whose sum is σ = 4152357248. Its totient is φ = 1339470000.

The previous prime is 2511506297. The next prime is 2511506329. The reversal of 2511506325 is 5236051152.

It is a happy number.

2511506325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2511506325 - 2⁵ = 2511506293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2511506292 and 2511506301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2511506329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16743301 + ... + 16743450.

Almost surely, 2^2511506325 is an apocalyptic number.

2511506325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2511506325 is a deficient number, since it is larger than the sum of its proper divisors (1640850923).

2511506325 is a wasteful number, since it uses less digits than its factorization.

2511506325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33486764 (or 33486759 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2511506325 is about 50114.9311582885. The cubic root of 2511506325 is about 1359.2878200664.

Adding to 2511506325 its reverse (5236051152), we get a palindrome (7747557477).

The spelling of 2511506325 in words is "two billion, five hundred eleven million, five hundred six thousand, three hundred twenty-five".