206051401 has 8 divisors (see below), whose sum is σ = 208948320. Its totient is φ = 203164512.

The previous prime is 206051393. The next prime is 206051449. The reversal of 206051401 is 104150602.

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 206051401 - 2³ = 206051393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206051201) 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, 45046 + ... + 49408.

It is an arithmetic number, because the mean of its divisors is an integer number (26118540).

Almost surely, 2^206051401 is an apocalyptic number.

It is an amenable number.

206051401 is a deficient number, since it is larger than the sum of its proper divisors (2896919).

206051401 is an equidigital number, since it uses as much as digits as its factorization.

206051401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 206051401 is about 14354.4906214049. The cubic root of 206051401 is about 590.6431758392.

The spelling of 206051401 in words is "two hundred six million, fifty-one thousand, four hundred one".