206010725 has 12 divisors (see below), whose sum is σ = 259642980. Its totient is φ = 162105600.

The previous prime is 206010683. The next prime is 206010733. The reversal of 206010725 is 527010602.

It can be written as a sum of positive squares in 6 ways, for example, as 2292196 + 203718529 = 1514^2 + 14273^2 .

It is not a de Polignac number, because 206010725 - 2⁶ = 206010661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206010725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66020 + ... + 69069.

It is an arithmetic number, because the mean of its divisors is an integer number (21636915).

Almost surely, 2^206010725 is an apocalyptic number.

206010725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206010725 is a deficient number, since it is larger than the sum of its proper divisors (53632255).

206010725 is a wasteful number, since it uses less digits than its factorization.

206010725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135160 (or 135155 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 206010725 is about 14353.0737126234. The cubic root of 206010725 is about 590.6043075718.

The spelling of 206010725 in words is "two hundred six million, ten thousand, seven hundred twenty-five".