206850125 has 16 divisors (see below), whose sum is σ = 264451824. Its totient is φ = 161440000.

The previous prime is 206850113. The next prime is 206850139. The reversal of 206850125 is 521058602.

It can be written as a sum of positive squares in 8 ways, for example, as 63952009 + 142898116 = 7997^2 + 11954^2 .

It is not a de Polignac number, because 206850125 - 2²⁰ = 205801549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15056 + ... + 25305.

It is an arithmetic number, because the mean of its divisors is an integer number (16528239).

Almost surely, 2^206850125 is an apocalyptic number.

206850125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206850125 is a deficient number, since it is larger than the sum of its proper divisors (57601699).

206850125 is an equidigital number, since it uses as much as digits as its factorization.

206850125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40417 (or 40407 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 206850125 is about 14382.2851105101. The cubic root of 206850125 is about 591.4053685405.

The spelling of 206850125 in words is "two hundred six million, eight hundred fifty thousand, one hundred twenty-five".