206925219 has 16 divisors (see below), whose sum is σ = 322691200. Its totient is φ = 130689288.

The previous prime is 206925209. The next prime is 206925233. The reversal of 206925219 is 912529602.

It is a happy number.

It is not a de Polignac number, because 206925219 - 2²⁴ = 190148003 is a prime.

It is a super-2 number, since 2×206925219² = 85636092516395922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206925209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201169 + ... + 202194.

It is an arithmetic number, because the mean of its divisors is an integer number (20168200).

Almost surely, 2^206925219 is an apocalyptic number.

206925219 is a deficient number, since it is larger than the sum of its proper divisors (115765981).

206925219 is a wasteful number, since it uses less digits than its factorization.

206925219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403391 (or 403385 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 206925219 is about 14384.8955157832. The cubic root of 206925219 is about 591.4769269882.

The spelling of 206925219 in words is "two hundred six million, nine hundred twenty-five thousand, two hundred nineteen".