206375057 has 8 divisors (see below), whose sum is σ = 240307776. Its totient is φ = 173554992.

The previous prime is 206375047. The next prime is 206375083. The reversal of 206375057 is 750573602.

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 206375057 - 2⁸ = 206374801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206375047) 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, 277763 + ... + 278504.

It is an arithmetic number, because the mean of its divisors is an integer number (30038472).

Almost surely, 2^206375057 is an apocalyptic number.

It is an amenable number.

206375057 is a deficient number, since it is larger than the sum of its proper divisors (33932719).

206375057 is an equidigital number, since it uses as much as digits as its factorization.

206375057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556327.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 206375057 is about 14365.7598824427. The cubic root of 206375057 is about 590.9522657118.

The spelling of 206375057 in words is "two hundred six million, three hundred seventy-five thousand, fifty-seven".