256330125 has 24 divisors (see below), whose sum is σ = 462079800. Its totient is φ = 136708800.

The previous prime is 256330099. The next prime is 256330133. The reversal of 256330125 is 521033652.

256330125 is a `hidden beast` number, since 2 + 5 + 633 + 0 + 1 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 41912676 + 214417449 = 6474^2 + 14643^2 .

It is not a de Polignac number, because 256330125 - 2⁹ = 256329613 is a prime.

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, 112800 + ... + 115049.

It is an arithmetic number, because the mean of its divisors is an integer number (19253325).

Almost surely, 2^256330125 is an apocalyptic number.

256330125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

256330125 is a deficient number, since it is larger than the sum of its proper divisors (205749675).

256330125 is a wasteful number, since it uses less digits than its factorization.

256330125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227870 (or 227857 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 256330125 is about 16010.3130825103. The cubic root of 256330125 is about 635.2332414511.

Adding to 256330125 its reverse (521033652), we get a palindrome (777363777).

The spelling of 256330125 in words is "two hundred fifty-six million, three hundred thirty thousand, one hundred twenty-five".