206256461 has 8 divisors (see below), whose sum is σ = 218546424. Its totient is φ = 193984000.

The previous prime is 206256437. The next prime is 206256481. The reversal of 206256461 is 164652602.

206256461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 42902500 + 163353961 = 6550^2 + 12781^2 .

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 206256461 - 2⁶ = 206256397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206256481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25961 + ... + 32961.

It is an arithmetic number, because the mean of its divisors is an integer number (27318303).

Almost surely, 2^206256461 is an apocalyptic number.

It is an amenable number.

206256461 is a deficient number, since it is larger than the sum of its proper divisors (12289963).

206256461 is a wasteful number, since it uses less digits than its factorization.

206256461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8751.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 206256461 is about 14361.6315577305. The cubic root of 206256461 is about 590.8390446581.

The spelling of 206256461 in words is "two hundred six million, two hundred fifty-six thousand, four hundred sixty-one".