2256750125 has 36 divisors (see below), whose sum is σ = 3281654844. Its totient is φ = 1544936400.

The previous prime is 2256750109. The next prime is 2256750131. The reversal of 2256750125 is 5210576522.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 72216004 + 2184534121 = 8498^2 + 46739^2 .

It is not a de Polignac number, because 2256750125 - 2⁴ = 2256750109 is a prime.

It is a super-2 number, since 2×2256750125² = 10185842253375031250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3717572 + ... + 3718178.

It is an arithmetic number, because the mean of its divisors is an integer number (91157079).

Almost surely, 2^2256750125 is an apocalyptic number.

2256750125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2256750125 is a deficient number, since it is larger than the sum of its proper divisors (1024904719).

2256750125 is an frugal number, since it uses more digits than its factorization.

2256750125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 2256750125 is about 47505.2641819830. The cubic root of 2256750125 is about 1311.6797838282.

The spelling of 2256750125 in words is "two billion, two hundred fifty-six million, seven hundred fifty thousand, one hundred twenty-five".