2556252325 has 24 divisors (see below), whose sum is σ = 3477964896. Its totient is φ = 1848312000.

The previous prime is 2556252319. The next prime is 2556252353. The reversal of 2556252325 is 5232526552.

It is not a de Polignac number, because 2556252325 - 2⁹ = 2556251813 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20710 + ... + 74440.

It is an arithmetic number, because the mean of its divisors is an integer number (144915204).

Almost surely, 2^2556252325 is an apocalyptic number.

2556252325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2556252325 is a deficient number, since it is larger than the sum of its proper divisors (921712571).

2556252325 is a wasteful number, since it uses less digits than its factorization.

2556252325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53925 (or 53920 counting only the distinct ones).

The product of its digits is 180000, while the sum is 37.

The square root of 2556252325 is about 50559.3940331567. The cubic root of 2556252325 is about 1367.3128861091.

Adding to 2556252325 its reverse (5232526552), we get a palindrome (7788778877).

The spelling of 2556252325 in words is "two billion, five hundred fifty-six million, two hundred fifty-two thousand, three hundred twenty-five".