208430125 has 8 divisors (see below), whose sum is σ = 260120952. Its totient is φ = 166744000.

The previous prime is 208430069. The next prime is 208430141. The reversal of 208430125 is 521034802.

It can be written as a sum of positive squares in 4 ways, for example, as 695556 + 207734569 = 834^2 + 14413^2 .

It is not a de Polignac number, because 208430125 - 2⁷ = 208429997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208430125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833596 + ... + 833845.

It is an arithmetic number, because the mean of its divisors is an integer number (32515119).

Almost surely, 2^208430125 is an apocalyptic number.

208430125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

208430125 is a deficient number, since it is larger than the sum of its proper divisors (51690827).

208430125 is an equidigital number, since it uses as much as digits as its factorization.

208430125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667456 (or 1667446 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 208430125 is about 14437.1093020729. The cubic root of 208430125 is about 592.9073439024.

Adding to 208430125 its reverse (521034802), we get a palindrome (729464927).

The spelling of 208430125 in words is "two hundred eight million, four hundred thirty thousand, one hundred twenty-five".