256104607 has 24 divisors (see below), whose sum is σ = 288199296. Its totient is φ = 227370000.

The previous prime is 256104571. The next prime is 256104623. The reversal of 256104607 is 706401652.

It is a happy number.

It is not a de Polignac number, because 256104607 - 2⁷ = 256104479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256104647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1695982 + ... + 1696132.

It is an arithmetic number, because the mean of its divisors is an integer number (12008304).

Almost surely, 2^256104607 is an apocalyptic number.

256104607 is a deficient number, since it is larger than the sum of its proper divisors (32094689).

256104607 is a wasteful number, since it uses less digits than its factorization.

256104607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 256104607 is about 16003.2686348758. The cubic root of 256104607 is about 635.0468950838.

The spelling of 256104607 in words is "two hundred fifty-six million, one hundred four thousand, six hundred seven".