206745001 has 8 divisors (see below), whose sum is σ = 212322600. Its totient is φ = 201192960.

The previous prime is 206744981. The next prime is 206745013. The reversal of 206745001 is 100547602.

206745001 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 75625 + 206669376 = 275^2 + 14376^2 .

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 206745001 - 2¹³ = 206736809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206745401) 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, 10605 + ... + 22933.

It is an arithmetic number, because the mean of its divisors is an integer number (26540325).

Almost surely, 2^206745001 is an apocalyptic number.

It is an amenable number.

206745001 is a deficient number, since it is larger than the sum of its proper divisors (5577599).

206745001 is a wasteful number, since it uses less digits than its factorization.

206745001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12779.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 206745001 is about 14378.6300112354. The cubic root of 206745001 is about 591.3051648576.

The spelling of 206745001 in words is "two hundred six million, seven hundred forty-five thousand, one".