206250106 has 4 divisors (see below), whose sum is σ = 309375162. Its totient is φ = 103125052.

The previous prime is 206250091. The next prime is 206250133. The reversal of 206250106 is 601052602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601052602 = 2 ⋅300526301.

It can be written as a sum of positive squares in only one way, i.e., 195300625 + 10949481 = 13975^2 + 3309^2 .

It is a super-2 number, since 2×206250106² = 85078212450022472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51562525 + ... + 51562528.

Almost surely, 2^206250106 is an apocalyptic number.

206250106 is a deficient number, since it is larger than the sum of its proper divisors (103125056).

206250106 is a wasteful number, since it uses less digits than its factorization.

206250106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103125055.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 206250106 is about 14361.4103067909. The cubic root of 206250106 is about 590.8329764512.

The spelling of 206250106 in words is "two hundred six million, two hundred fifty thousand, one hundred six".