256200473 has 16 divisors (see below), whose sum is σ = 271952640. Its totient is φ = 240869376.

The previous prime is 256200443. The next prime is 256200487. The reversal of 256200473 is 374002652.

It is a cyclic number.

It is not a de Polignac number, because 256200473 - 2⁶ = 256200409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (256200443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525836 + ... + 526322.

It is an arithmetic number, because the mean of its divisors is an integer number (16997040).

Almost surely, 2^256200473 is an apocalyptic number.

256200473 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

256200473 is a deficient number, since it is larger than the sum of its proper divisors (15752167).

256200473 is a wasteful number, since it uses less digits than its factorization.

256200473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 256200473 is about 16006.2635552461. The cubic root of 256200473 is about 635.1261228803.

The spelling of 256200473 in words is "two hundred fifty-six million, two hundred thousand, four hundred seventy-three".