206630325 has 96 divisors (see below), whose sum is σ = 438721920. Its totient is φ = 94233600.

The previous prime is 206630293. The next prime is 206630329. The reversal of 206630325 is 523036602.

206630325 is a `hidden beast` number, since 2 + 0 + 6 + 630 + 3 + 25 = 666.

It is not a de Polignac number, because 206630325 - 2⁵ = 206630293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206630329) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 125407 + ... + 127043.

It is an arithmetic number, because the mean of its divisors is an integer number (4570020).

Almost surely, 2^206630325 is an apocalyptic number.

206630325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206630325 is an abundant number, since it is smaller than the sum of its proper divisors (232091595).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206630325 is a wasteful number, since it uses less digits than its factorization.

206630325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 206630325 is about 14374.6417346659. The cubic root of 206630325 is about 591.1958175105.

Adding to 206630325 its reverse (523036602), we get a palindrome (729666927).

The spelling of 206630325 in words is "two hundred six million, six hundred thirty thousand, three hundred twenty-five".