256125467 has 8 divisors (see below), whose sum is σ = 279151824. Its totient is φ = 233574048.

The previous prime is 256125449. The next prime is 256125469. The reversal of 256125467 is 764521652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256125467 - 2⁶ = 256125403 is a prime.

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 256125467.

It is not an unprimeable number, because it can be changed into a prime (256125469) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 117608 + ... + 119765.

It is an arithmetic number, because the mean of its divisors is an integer number (34893978).

Almost surely, 2^256125467 is an apocalyptic number.

256125467 is a deficient number, since it is larger than the sum of its proper divisors (23026357).

256125467 is a wasteful number, since it uses less digits than its factorization.

256125467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237469.

The product of its digits is 100800, while the sum is 38.

The square root of 256125467 is about 16003.9203634609. The cubic root of 256125467 is about 635.0641363702.

The spelling of 256125467 in words is "two hundred fifty-six million, one hundred twenty-five thousand, four hundred sixty-seven".